{"title":"Pistons \u0026 Cylinders","description":null,"products":[{"product_id":"kb-m8-114-117-to-124-big-bore-conversion-piston-kit-std","title":"Kb, M8 114\"\/117\" To 128\" Big Bore Conversion Piston Kit. Std","description":"\u003cp\u003eForged Super Duty series for the Milwaukee Eight 114\" and 117\" engine for a 128\" big bore conversion. Designed to work with both oil\/water cooled engines and up to 3mm larger valves. With hard anodized crown and top ring groove to reflect heat and prevent ring to groove ''micro-welding''. The Line2Line abradable self-lubricating powder coating technique allows zero tolerance installation; final tolerance will be 0.003\". The piston creates its own perfect tolerance during run-in; the coating automatically gives the tightest possible \u0026amp; perfect piston to cylinder fit for no piston rock and best possible ring seal. Note: Fits 114\/117\" M8 engines with stock 4.5\" stroke. Aftermarket 4.25\" bore cylinders are required. For up to 3mm larger valves. - Compression ratio: 11.7:1 - Engine displacement: 128\" - Bore: 4.25\" - Stroke: 4.5\" - Ring Pack: 1.5mm; 1.5mm; 3.0mm - Top land: 0.23 - Pin Number: .927x2.250x.180c-SCR415H - Pin type: Floating - Pin Diameter: 0.927\" - Lock: BR8894-1 - Compression height: 1.083\" - Crown type: Dome - Crown (cc): -2.5 - Alloy: Forged 4032 alloy\u003c\/p\u003e","brand":"Kb Performance Pistons","offers":[{"title":"Default Title","offer_id":50010182353224,"sku":"993662","price":536.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/993662.jpg?v=1779174015"},{"product_id":"kb-m8-107-to-124-big-bore-conversion-piston-kit-std","title":"Kb, M8 107\" To 124\" Big Bore Conversion Piston Kit. Std","description":"\u003cp\u003eForged Super Duty series for the Milwaukee Eight engine. With hard anodized crown and top ring groove to reflect heat and prevent ring to groove ''micro-welding''. The Line2Line abradable self-lubricating powder coating technique allows zero tolerance installation; final tolerance will be 0.003\". The piston creates its own perfect tolerance during run-in; the coating automatically gives the tightest possible \u0026amp; perfect piston to cylinder fit for no piston rock and best possible ring seal. Note: Fits 107\" M8 engines. Works with stock 4.375\" stroke and stock unmodified heads. Aftermarket 4.25\" bore cylinders are required. - 11.4:1 CR - Piston weight: OEM - Engine displacement: 124\" - Bore: 4.25\" - Stroke: 4.375\" (stock 107\" engine) - Ring pack: 1.5mm; 1.5mm; 3.0mm - Top land: .230 - Pin number: .9270x2.250x.180-SCR415H - Pin type: Floating - Pin diameter: .927\" - Compression height: 1.155\" - Crown Type: Dome - Crown (cc): -2cc - Alloy: Forged 4032 Alloy\u003c\/p\u003e","brand":"Kb Performance Pistons","offers":[{"title":"Default Title","offer_id":50010188808520,"sku":"993660","price":536.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/993660_5bc4abb8-dea7-487a-a4f0-3408ef7cd705.jpg?v=1779174002"},{"product_id":"cylinder-sleeve-3-188-bore","title":"Cylinder Sleeve. 3.188\" Bore","description":"\u003cp\u003e3.188\" stock bore. Cylinder liners are used to save stock cylinders.   Note: In any and all applications the technician must be able to judge components for their suitability in combination with the other engine components; prior to installation. It is of importance that a knowledgeable mechanic will install \u0026amp; make adjustments as required.\u003c\/p\u003e","brand":"Motorcycle Storehouse","offers":[{"title":"Default Title","offer_id":50010362839368,"sku":"971628","price":226.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/971628.jpg?v=1779115610"},{"product_id":"cylinder-sleeve-3-bore","title":"Cylinder Sleeve. 3\" Bore","description":"\u003cp\u003e3.00\" stock bore. Cylinder liners are used to save stock cylinders.   Note: In any and all applications the technician must be able to judge components for their suitability in combination with the other engine components; prior to installation. It is of importance that a knowledgeable mechanic will install \u0026amp; make adjustments as required.\u003c\/p\u003e","brand":"Motorcycle Storehouse","offers":[{"title":"Default Title","offer_id":50010363560264,"sku":"971627","price":100.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/971627.jpg?v=1779115597"},{"product_id":"cylinder-sleeve-3-1-2-bore","title":"Cylinder Sleeve. 3 1\/2\" Bore","description":"\u003cp\u003e3-1\/2\" (88.8mm) stock bore. Cylinder liners are used to save stock cylinders.   Note: In any and all applications the technician must be able to judge components for their suitability in combination with the other engine components; prior to installation. It is of importance that a knowledgeable mechanic will install \u0026amp; make adjustments as required.\u003c\/p\u003e","brand":"Motorcycle Storehouse","offers":[{"title":"Default Title","offer_id":50010368541000,"sku":"971626","price":98.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/971626.jpg?v=1779115585"},{"product_id":"cylinder-sleeve-3-5-16-bore","title":"Cylinder Sleeve. 3 5\/16\" Bore","description":"\u003cp\u003e3-5\/16\" (3.312\") stock bore. Cylinder liners are used to save stock cylinders.   Note: In any and all applications the technician must be able to judge components for their suitability in combination with the other engine components; prior to installation. It is of importance that a knowledgeable mechanic will install \u0026amp; make adjustments as required.\u003c\/p\u003e","brand":"Motorcycle Storehouse","offers":[{"title":"Default Title","offer_id":50010384236872,"sku":"971624","price":234.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/971624_55be6164-6ced-4aa3-a3ec-16714c009d15.jpg?v=1779115573"},{"product_id":"replacement-45-flathead-cylinder-set-front-rear-black","title":"Replacement 45\" Flathead Cylinder Set. Front + Rear. Black","description":"\u003cp\u003eBlack painted. Front \u0026amp; rear side valve cylinder set. Stock replacement for models with aluminum heads. Valve guides are installed. Replacement for OEM 2-40 (16460-40B) front \u0026amp; 3-40 (16460-40B) rear cilinders.   Note: Cylinders are pre-bored and honed to fit stock size pistons. Cylinders are sold without pistons and rings.  Note: In any and all applications the technician must be able to judge components for their suitability in combination with the other engine components; prior to installation. It is of importance that a knowledgeable mechanic will install \u0026amp; make adjustments as required.\u003c\/p\u003e","brand":"Samwel Supplies","offers":[{"title":"Default Title","offer_id":50010372800840,"sku":"971174","price":1266.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/971174.jpg?v=1779112231"},{"product_id":"replacement-80-flathead-piston-kit-std","title":"Replacement 80\" Flathead Piston Kit. Std","description":"\u003cp\u003eCast aluminum pistons for a stock 1300cc Side Valve rebuild. Pistons include wrist pins; retainers \u0026amp; piston rings.   Note: In any and all applications the technician must be able to judge components for their suitability in combination with the other engine components; prior to installation. It is of importance that a knowledgeable mechanic will install \u0026amp; make adjustments as required. The rider must follow standard break-in and riding procedures for overhauled engines.\u003c\/p\u003e","brand":"Motorcycle Storehouse","offers":[{"title":"Default Title","offer_id":50010496074056,"sku":"946480","price":395.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/946480.jpg?v=1779057867"},{"product_id":"replacement-45-flathead-piston-kit-060","title":"Replacement 45\" Flathead Piston Kit. +.060\"","description":"\u003cp\u003eCast aluminum OEM style pistons for a stock rebuild. Wil fit all 29-73 45\" (750cc) Flathead models. Pistons include wrist pins; retainers and piston rings.   Note: In any and all applications the technician must be able to judge components for their suitability in combination with the other engine components; prior to installation. It is of importance that a knowledgeable mechanic will install \u0026amp; make adjustments as required. The rider must follow standard break-in and riding procedures for overhauled engines.\u003c\/p\u003e","brand":"Motorcycle Storehouse","offers":[{"title":"Default Title","offer_id":50010524090696,"sku":"946431","price":352.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/946431.jpg?v=1779057832"},{"product_id":"replacement-45-flathead-piston-kit-050","title":"Replacement 45\" Flathead Piston Kit. +.050\"","description":"\u003cp\u003eCast aluminum OEM style pistons for a stock rebuild. Wil fit all 29-73 45\" (750cc) Flathead models. Pistons include wrist pins; retainers and piston rings.   Note: In any and all applications the technician must be able to judge components for their suitability in combination with the other engine components; prior to installation. It is of importance that a knowledgeable mechanic will install \u0026amp; make adjustments as required. The rider must follow standard break-in and riding procedures for overhauled engines.\u003c\/p\u003e","brand":"Motorcycle Storehouse","offers":[{"title":"Default Title","offer_id":50010486636872,"sku":"946430","price":329.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/946430.jpg?v=1779057818"},{"product_id":"replacement-45-flathead-piston-kit-040","title":"Replacement 45\" Flathead Piston Kit. +.040\"","description":"\u003cp\u003eCast aluminum OEM style pistons for a stock rebuild. Wil fit all 29-73 45\" (750cc) Flathead models. Pistons include wrist pins; retainers and piston rings.   Note: In any and all applications the technician must be able to judge components for their suitability in combination with the other engine components; prior to installation. It is of importance that a knowledgeable mechanic will install \u0026amp; make adjustments as required. The rider must follow standard break-in and riding procedures for overhauled engines.\u003c\/p\u003e","brand":"Motorcycle Storehouse","offers":[{"title":"Default Title","offer_id":50010496237896,"sku":"946429","price":354.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/946429.jpg?v=1779057807"},{"product_id":"replacement-45-flathead-piston-kit-030","title":"Replacement 45\" Flathead Piston Kit. +.030\"","description":"\u003cp\u003eCast aluminum OEM style pistons for a stock rebuild. Wil fit all 29-73 45\" (750cc) Flathead models. Pistons include wrist pins; retainers and piston rings.   Note: In any and all applications the technician must be able to judge components for their suitability in combination with the other engine components; prior to installation. It is of importance that a knowledgeable mechanic will install \u0026amp; make adjustments as required. The rider must follow standard break-in and riding procedures for overhauled engines.\u003c\/p\u003e","brand":"Motorcycle Storehouse","offers":[{"title":"Default Title","offer_id":50010509312328,"sku":"946428","price":268.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/946428.jpg?v=1779057796"},{"product_id":"replacement-45-flathead-piston-kit-020","title":"Replacement 45\" Flathead Piston Kit. +.020\"","description":"\u003cp\u003eCast aluminum OEM style pistons for a stock rebuild. Wil fit all 29-73 45\" (750cc) Flathead models. Pistons include wrist pins; retainers and piston rings.   Note: In any and all applications the technician must be able to judge components for their suitability in combination with the other engine components; prior to installation. It is of importance that a knowledgeable mechanic will install \u0026amp; make adjustments as required. The rider must follow standard break-in and riding procedures for overhauled engines.\u003c\/p\u003e","brand":"Motorcycle Storehouse","offers":[{"title":"Default Title","offer_id":50010516717896,"sku":"946427","price":326.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/946427.jpg?v=1779057784"},{"product_id":"replacement-45-flathead-piston-kit-010","title":"Replacement 45\" Flathead Piston Kit. +.010\"","description":"\u003cp\u003eCast aluminum OEM style pistons for a stock rebuild. Wil fit all 29-73 45\" (750cc) Flathead models. Pistons include wrist pins; retainers and piston rings.   Note: In any and all applications the technician must be able to judge components for their suitability in combination with the other engine components; prior to installation. It is of importance that a knowledgeable mechanic will install \u0026amp; make adjustments as required. The rider must follow standard break-in and riding procedures for overhauled engines.\u003c\/p\u003e","brand":"Motorcycle Storehouse","offers":[{"title":"Default Title","offer_id":50010524287304,"sku":"946426","price":301.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/946426.jpg?v=1779057772"},{"product_id":"replacement-45-flathead-piston-kit-std","title":"Replacement 45\" Flathead Piston Kit. Std.","description":"\u003cp\u003eCast aluminum OEM style pistons for a stock rebuild. Wil fit all 29-73 45\" (750cc) Flathead models. Pistons include wrist pins; retainers and piston rings.   Note: In any and all applications the technician must be able to judge components for their suitability in combination with the other engine components; prior to installation. It is of importance that a knowledgeable mechanic will install \u0026amp; make adjustments as required. The rider must follow standard break-in and riding procedures for overhauled engines.\u003c\/p\u003e","brand":"Motorcycle Storehouse","offers":[{"title":"Default Title","offer_id":50010486800712,"sku":"946425","price":354.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/946425.jpg?v=1779057760"},{"product_id":"replacement-74-flathead-piston-kit-std","title":"Replacement 74\" Flathead Piston Kit. Std.","description":"\u003cp\u003eCast aluminum OEM style pistons for a stock 1200cc Side Valve rebuild. Pistons include wrist pins; retainers \u0026amp; piston rings.   Note: In any and all applications the technician must be able to judge components for their suitability in combination with the other engine components; prior to installation. It is of importance that a knowledgeable mechanic will install \u0026amp; make adjustments as required. The rider must follow standard break-in and riding procedures for overhauled engines.\u003c\/p\u003e","brand":"Motorcycle Storehouse","offers":[{"title":"Default Title","offer_id":50010524647752,"sku":"946415","price":317.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/946415.jpg?v=1779057749"},{"product_id":"kb-performance-96-103-to-110-twin-cam-piston-kit-std","title":"Kb Performance, 96\"\/103\" To 110\" Twin Cam Piston Kit. Std","description":"\u003cp\u003eForged big bore conversion piston set. Used for converting 96\" (3-3\/4\" bore) and 103\" (3-7\/8\" bore) to 110\" (4\" bore) big bore. With dished piston domes. Works with all stock cylinder heads; 96\" and 103\" with 85cc chamber and SE; MVA and CVO with 95cc chambers.  9.5:1 CR with stock 96\"\/103\" 85cc head.  Piston weight 350gr.  Piston pin weight 89gr.  Piston pin dia. .927\" \/ offset.  Head type: Dish with +13.3cc.  Compression height 1.086\".  Bore 4.000\".  Stroke 4.375\" (4-3\/8\").  Rod length 7.667\".  Cyl. length 4.938\".    Note: Will not work as bolt-in with OEM H-D 4\" big bore conversion cylinders in OEM 96\" \u0026amp; 103\" crankcases. The cylinders will hit a small step in the crankcase. Also clearance between piston skirt and crankcase must be checked at bottom dead center. Cases with a large cast-in bump; just below the machined area for the cylinder sleeve; must be machined for adequate piston skirt to crankcase clearance. This is on both front \u0026amp; rear cylinder exhaust sides of the crankcase.  Note: Will not fit 110\" CVO models.  Note: All KB forged pistons come equipped with offset wrist pins \/ piston pins. There is a front and rear section on the piston and it is necessary to install it in the correct way. Please refer to the installation instructions; as provided with each piston set; prior to installation.\u003c\/p\u003e","brand":"Kb Performance Pistons","offers":[{"title":"Default Title","offer_id":50010526875976,"sku":"944819","price":401.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/944819.jpg?v=1779056825"},{"product_id":"kb-performance-96-to-103-twin-cam-piston-kit-std","title":"Kb Performance, 96\" To 103\" Twin Cam Piston Kit. Std","description":"\u003cp\u003eForged piston set. For 96\" (3-3\/4\") to 103\" (3-7\/8\") big bore conversion.  9.5:1 CR with stock 85cc head. Piston weight 335gr.  Piston pin weight 89gr. Piston pin dia. .927\" \/ offset.  Head type: Dish with +6.9cc.  Compression height 1.076\".  Bore 3.875\".  Stroke 4.375\" (4-3\/8\").  Rod length 7.667\".  Cyl. length 4.938\".   Note: All KB forged pistons come equipped with offset wrist pins \/ piston pins. There is a front and rear section on the piston and it is necessary to install it in the correct way. Please refer to the installation instructions; as provided with each piston set; prior to installation.\u003c\/p\u003e","brand":"Kb Performance Pistons","offers":[{"title":"Default Title","offer_id":50010527007048,"sku":"944814","price":401.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/944814.jpg?v=1779056814"},{"product_id":"kb-performance-88-to-95-twin-cam-piston-kit-std","title":"Kb Performance, 88\" To 95\" Twin Cam Piston Kit. Std","description":"\u003cp\u003e88\" (3-3\/4\") to 95\" (3-7\/8\") big bore conversion forged piston set.  9.25:1 CR with 85cc head. Piston weight 350gr.  Piston pin weight 89gr.  Piston pin dia. .927\" \/ offset.  Head type: Dome with -6.7cc.  Compression height 1.263\".  Bore 3.875\".  Stroke 4.000\".  Rod length 7.667\".  Cyl. length 4.938\".  All KB forged pistons are made from 4032 alloy; a 11% silicon alloy that is formed in a forging press. Forging aluminum gives a superior strength and structural integrity on a molecular level; after which it is fully machined. The combination of this alloy and the forging process allows the piston to flex under detonation; or pre-ignition; giving the best resistance to cracking. Although 4032 has a low expansion rate; it is higher than the cast Hypereutectic. Therefore forged KB pistons will require about .001\" wider piston to wall clearance. Pistons are sold as sets; complete with wrist pin retaining rings; wrist pins and piston rings.  Note: All KB forged pistons come equipped with offset wrist pins \/ piston pins. There is a front and rear section on the piston and it is necessary to install it in the correct way. Please refer to the installation instructions; as provided with each piston set; prior to installation.\u003c\/p\u003e","brand":"Kb Performance Pistons","offers":[{"title":"Default Title","offer_id":50010489225544,"sku":"944808","price":401.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/944808.jpg?v=1779056802"},{"product_id":"kb-performance-3-5-8-big-bore-forged-piston-kit-std","title":"Kb Performance, 3 5\/8 Big Bore Forged Piston Kit. Std","description":"\u003cp\u003eForged 3-5\/8 big bore piston set. Used with 3-5\/8\" big bore cylinders with 5.330\" (stock) to 5.530\" (+.200\") length. Must use 4-1\/4\" (stock) (88\"); 4-1\/2\" (93''\"); 4-5\/8\" (96\") to 4-3\/4\" (98\") stroker flywheels.  8.50:1 CR with 117cc head; 4.250\" stroke \u0026amp; Std. cyl. length.  9.38:1 CR with 117cc head \u0026amp; 4.750\" stroke \u0026amp; Std. cyl. length.  Piston weight 440gr.  Piston pin weight 97gr.  Piston pin dia. .791\" \/ offset.  Head type: Dome with -42.3cc.  Compression height 1.285\".  Bore 3.625\".  Stroke 1.250\" to 4.750\".  Rod length 7.440\".  Cyl. length 5.530\" Std to +.200\" higher.  All KB forged pistons are made from 4032 alloy; a 11% silicon alloy that is formed in a forging press. Forging aluminum gives a superior strength and structural integrity on a molecular level; after which it is fully machined. The combination of this alloy and the forging process allows the piston to flex under detonation; or pre-ignition; giving the best resistance to cracking. Although 4032 has a low expansion rate; it is higher than the cast Hypereutectic. Therefore forged KB pistons will require about .001\" wider piston to wall clearance. Pistons are sold as sets; complete with wrist pin retaining rings; wrist pins and piston rings. Please note that all KB forged pistons come equipped with offset wrist pins \/ piston pins. There is a front and rear section on the piston and it is necessary to install it in the correct way. Please refer to the installation instructions; as provided with each pi\u003c\/p\u003e","brand":"Kb Performance Pistons","offers":[{"title":"Default Title","offer_id":50010499711304,"sku":"944802","price":330.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/944802.jpg?v=1779056790"},{"product_id":"kb-performance-1340-shovel-forged-piston-kit-std","title":"Kb Performance, 1340 Shovel Forged Piston Kit. Std","description":"\u003cp\u003eForged piston set. 9.0:1 CR with 112cc head. Piston weight 416gr.  Piston pin weight 97gr.  Piston pin dia. .791\" \/ offset.  Head type: Dome with -52.7cc.  Compression height 1.285\".  Bore 3.498\".  Stroke 4.250\".  Rod length 7.440\".  Cyl. length 5.330\".  All KB forged pistons are made from 4032 alloy; a 11% silicon alloy that is formed in a forging press. Forging aluminum gives a superior strength and structural integrity on a molecular level; after which it is fully machined. The combination of this alloy and the forging process allows the piston to flex under detonation; or pre-ignition; giving the best resistance to cracking. Although 4032 has a low expansion rate; it is higher than the cast Hypereutectic. Therefore forged KB pistons will require about .001\" wider piston to wall clearance. Pistons are sold as sets; complete with wrist pin retaining rings; wrist pins and piston rings.   Note: All KB forged pistons come equipped with offset wrist pins \/ piston pins. There is a front and rear section on the piston and it is necessary to install it in the correct way. Please refer to the installation instructions; as provided with the piston set; prior to installation.\u003c\/p\u003e","brand":"Kb Performance Pistons","offers":[{"title":"Default Title","offer_id":50010513834312,"sku":"944796","price":330.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/944796.jpg?v=1779056778"},{"product_id":"kb-performance-1200cc-b-t-forged-piston-kit-std","title":"Kb Performance, 1200cc B.T. Forged Piston Kit. Std","description":"\u003cp\u003eForged piston set. 8.5:1 CR with 112cc head. Standard replacement.  Piston weight 456gr.  Piston pin weight 97gr.  Piston pin dia. .791\" \/ offset.  Head type: Dome with -47.6cc.  Compression height 1.450\".  Bore 3.437\".  Stroke 3.969\".  Rod length 7.440\".  Cyl. length 5.330\".  All KB forged pistons are made from 4032 alloy; a 11% silicon alloy that is formed in a forging press. Forging aluminum gives a superior strength and structural integrity on a molecular level; after which it is fully machined. The combination of this alloy and the forging process allows the piston to flex under detonation; or pre-ignition; giving the best resistance to cracking. Although 4032 has a low expansion rate; it is higher than the cast Hypereutectic. Therefore forged KB pistons will require about .001\" wider piston to wall clearance. Pistons are sold as sets; complete with wrist pin retaining rings; wrist pins and piston rings. Please note that all KB forged pistons come equipped with offset wrist pins \/ piston pins. There is a front and rear section on the piston and it is necessary to install it in the correct way. Please refer to the installation instructions; as provided with each piston set; prior to installation.\u003c\/p\u003e","brand":"Kb Performance Pistons","offers":[{"title":"Default Title","offer_id":50010514358600,"sku":"944786","price":330.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/944786.jpg?v=1779056767"},{"product_id":"kb-performance-piston-set-std","title":"Kb Performance, Piston Set Std","description":"\u003cp\u003e883-1200 conversion forged piston set. 10.1 CR with 51cc head. Works with unmodified 883 heads. Piston weight 337gr.  Piston pin weight 97gr.  Piston pin dia. .791\" \/ offset.  Head type: Dish with +9.8cc.  Compression height 1.280\".  Bore 3.498\".  Stroke 3.812\".  Rod length 6.926\".  Cyl. length 4.650\".  All KB forged pistons are made from 4032 alloy; a 11% silicon alloy that is formed in a forging press. Forging aluminum gives a superior strength and structural integrity on a molecular level; after which it is fully machined. The combination of this alloy and the forging process allows the piston to flex under detonation; or pre-ignition; giving the best resistance to cracking. Although 4032 has a low expansion rate; it is higher than the cast Hypereutectic. Therefore forged KB pistons will require about .001\" wider piston to wall clearance. Pistons are sold as sets; complete with wrist pin retaining rings; wrist pins and piston rings. Please note that all KB forged pistons come equipped with offset wrist pins \/ piston pins. There is a front and rear section on the piston and it is necessary to install it in the correct way. Please refer to the installation instructions; as provided with each piston set; prior to installation.  Note: For 04-up XL models 1200cc cylinders must be used. The stock 04-up 883 cylinder liners are too thin for boring to 1200 size.\u003c\/p\u003e","brand":"Kb Performance Pistons","offers":[{"title":"Default Title","offer_id":50010520060232,"sku":"944780","price":373.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/944780.jpg?v=1779056754"},{"product_id":"kb-performance-1340-evo-b-t-forged-piston-kit-std","title":"Kb Performance, 1340 Evo B.T. Forged Piston Kit. Std","description":"\u003cp\u003eForged piston set. 9.5:1 CR with 80cc head.  Piston weight 365gr.  Piston pin weight 97gr.  Piston pin dia. .792\" \/ offset.  Head type: Dome with -8.5cc.  Compression height 1.375\".  Bore 3.4980\".  Stroke 4.250\".  Rod length 7.440\".  Cyl. length 5.550\".  All KB forged pistons are made from 4032 alloy; a 11% silicon alloy that is formed in a forging press. Forging aluminum gives a superior strength and structural integrity on a molecular level; after which it is fully machined. The combination of this alloy and the forging process allows the piston to flex under detonation; or pre-ignition; giving the best resistance to cracking. Although 4032 has a low expansion rate; it is higher than the cast Hypereutectic. Therefore forged KB pistons will require about .001\" wider piston to wall clearance. Pistons are sold as sets; complete with wrist pin retaining rings; wrist pins and piston rings.   Note; All KB forged pistons come equipped with offset wrist pins \/ piston pins. There is a front and rear section on the piston and it is necessary to install it in the correct way. Please refer to the installation instructions; as provided with the piston set; prior to installation.\u003c\/p\u003e","brand":"Kb Performance Pistons","offers":[{"title":"Default Title","offer_id":50010528350536,"sku":"944774","price":373.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/944774.jpg?v=1779056743"},{"product_id":"kb-performance-xr1200-buell-xb-piston-kit-std","title":"Kb Performance, Xr1200\/Buell Xb Piston Kit. Std","description":"\u003cp\u003eForged aluminum piston set for stock stroke and cylinders. 9.2:1 CR with 69cc; 10.1:1 CR with 62cc; 11:1 CR with 55cc and 11.6:1 CR with 51cc cylinder heads.  Piston weight 360 gr. \/ Piston pin 97gr.  Head type: Domed with -1cc.  Compression height 1.210\".  Bore 3.498\" \/ Stroke 3.812\" \/ Rod length 6.926\".  Comes with T6 heat treated 390 Hypereutectic cast pistons with 16% silicone levels which enables running a very tight clearance for longevity and hardly any piston noise.   Note: All KB forged pistons come equipped with offset wrist pins \/ piston pins. There is a front and rear section on the piston and it is necessary to install it in the correct way. Please refer to the installation instructions; as provided with each piston set; prior to installation.\u003c\/p\u003e","brand":"Kb Performance Pistons","offers":[{"title":"Default Title","offer_id":50010490798408,"sku":"944762","price":282.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/944762.jpg?v=1779056731"},{"product_id":"kb-performance-96-to-103-big-bore-piston-set-std","title":"Kb Performance, 96\" To 103\" Big Bore Piston Set. Std","description":"\u003cp\u003eFor 96\" to 103\" (3 3\/4\"  to 3 7\/8\") big bore conversions. Used with stock heads and cylinders. By boring the stock cylinders from 3-3\/4\" to 3-7\/8\" big bore size engine capacity will increase from 96\" to 103\". Comes with T6 heat treated 390 Hypereutectic cast pistons with 16% silicone levels which enables running a very tight clearance for longevity and hardly any piston noise.  10.0:1 CR with 85cc head. Head type: Flat top. +1.9cc \/ Compression height 1.076\". Bore 3.875\" \/ Stroke 4.375\". Rod length 7.667\".  Note: Top compression ring will need additional clearance. See instructions.\u003c\/p\u003e","brand":"Kb Performance Pistons","offers":[{"title":"Default Title","offer_id":50010501120328,"sku":"944756","price":294.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/944756.jpg?v=1779056719"},{"product_id":"kb-performance-883-1200-big-bore-piston-kit-std","title":"Kb Performance, 883 1200 Big Bore Piston Kit. Std","description":"\u003cp\u003eSTD compression. 883-1200 conversion piston set. Compatible with stock unmodified cylinder heads. 9:1 stock compression ratio. Pistons are flat top; .125\" below deck height; to achieve a 9:1 CR with a compression height of 1.090\".  Piston weight 310gr. Piston pin diameter .792\" and weight 97gr.  Head type: Flat top \/ Dome +0.5cc.  Compression height 1.090\".  Bore 3.498\" \/ Stroke 3.812\".  Rod length 6.926\" \/ Cyl. length 4.650\".  Comes with T6 heat treated 390 Hypereutectic cast pistons with 16% silicone levels which enables running a very tight clearance for longevity and hardly any piston noise.   Note: Top compression ring will need additional clearance. See instructions.  Note: 1200cc cylinders must be purchased for 04-up 883 XL models. Stock cylinders liners of 04-up XL models are too thin to bore to 1200 size.\u003c\/p\u003e","brand":"Kb Performance Pistons","offers":[{"title":"Default Title","offer_id":50010501284168,"sku":"944750","price":306.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/944750.jpg?v=1779056707"},{"product_id":"kb-performance-88-to-95-big-bore-piston-set-std","title":"Kb Performance, 88\" To 95\" Big Bore Piston Set. Std","description":"\u003cp\u003e88\" to 95\" big bore conversion. Used with stock heads and cylinders. By boring the stock cylinders from 3-3\/4\" to 3-7\/8\" big bore size engine capacity will increase from 88\" to 95\". High compression (pop-up). 10.5:1 CR. Piston weight 437gr. Piston pin weight 97gr. \/ Head type: Dome. Dome -11.2cc \/ Compression height 1.270\". Bore 3.875\" \/ Stroke 4.000\". Rod length 7.667\" \/ Cylinder length 4.938\". Comes with T6 heat treated 390 Hypereutectic cast pistons with 16% silicone levels which enables running a very tight clearance for longevity and hardly any piston noise. Note: Top compression ring will need additional clearance. See instructions.\u003c\/p\u003e","brand":"Kb Performance Pistons","offers":[{"title":"Default Title","offer_id":50010515964232,"sku":"944741","price":383.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/944741.jpg?v=1779056695"},{"product_id":"kb-performance-xl883-piston-kit-std","title":"Kb Performance, Xl883 Piston Kit. Std","description":"\u003cp\u003eStandard replacement piston set. Stock 9.0:1 compression ratio.  Piston weight 253gr. Piston pin weight 77gr.  Head type: Flat top \/ Dome +1.2cc.  Compression height 1.210\".  Bore 3.00\" \/ Stroke 3.812\".  Rod length 6.926\" \/ Cyl. length 4.650\".  Comes with T6 heat treated 390 Hypereutectic cast pistons with 16% silicone levels which enables running a very tight clearance for longevity and hardly any piston noise.   Note: Top compression ring will need additional clearance. See instructions.\u003c\/p\u003e","brand":"Kb Performance Pistons","offers":[{"title":"Default Title","offer_id":50010516128072,"sku":"944735","price":272.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/944735.jpg?v=1779056684"},{"product_id":"keith-black-replacement-792-piston-lock-ring","title":"Keith Black, Replacement .792\" Piston Lock Ring","description":"\u003cp\u003eFits all KB .792\" piston pins. 2 used on 1 piston.   Note: See 944730 for matching KB .792\" piston pin \/ wrist pin.\u003c\/p\u003e","brand":"Kb Performance Pistons","offers":[{"title":"Default Title","offer_id":50010502103368,"sku":"944731","price":8.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/944731.jpg?v=1779056672"},{"product_id":"keith-black-replacement-piston-pin-792","title":"Keith Black, Replacement Piston Pin .792\"","description":"\u003cp\u003eStandard replacement wrist pin for KB pistons.   Note: See 944731 for matching KB wrist pin lock ring.\u003c\/p\u003e","brand":"Kb Performance Pistons","offers":[{"title":"Default Title","offer_id":50010516390216,"sku":"944730","price":9.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/944730.jpg?v=1779056660"},{"product_id":"kb-performance-88-to-95-big-bore-piston-set-10","title":"Kb Performance, 88\" To 95\" Big Bore Piston Set. +.010\"","description":"\u003cp\u003e88\" to 95\" big bore conversion kit. Used with stock heads and cylinders; 3-3\/4\" bore and 4.938\" long cylinders. By boring the stock cylinders to the 3-7\/8\" big bore size you will increase engine capacity from 88\" (1448cc) to 95\" (1546cc).  9.25:1 CR. Piston weight 400gr.  Piston pin weight 97gr. \/ Head type: Flat top.  Dome +16.7cc \/ Compression height 1.270\".  Bore 3.875\" (3-7\/8\") \/ Stroke 4.000\".  Rod length 7.667\" \/ Cyl. length 4.938\".  Comes with T6 heat treated 390 Hypereutectic cast pistons with 16% silicone levels which enables running a very tight clearance for longevity and hardly any piston noise.  Note: Top compression ring will need additional clearance. See instructions.\u003c\/p\u003e","brand":"Kb Performance Pistons","offers":[{"title":"Default Title","offer_id":50010491781448,"sku":"944717","price":367.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/944717.jpg?v=1779056648"},{"product_id":"kb-performance-88-to-95-big-bore-piston-set-std-1","title":"Kb Performance, 88\" To 95\" Big Bore Piston Set. Std","description":"\u003cp\u003e88\" to 95\" big bore conversion kit. Used with stock heads and cylinders; 3-3\/4\" bore and 4.938\" long cylinders. By boring the stock cylinders to the 3-7\/8\" big bore size you will increase engine capacity from 88\" (1448cc) to 95\" (1546cc).  9.25:1 CR. Piston weight 400gr.  Piston pin weight 97gr. \/ Head type: Flat top.  Dome +16.7cc \/ Compression height 1.270\".  Bore 3.875\" (3-7\/8\") \/ Stroke 4.000\".  Rod length 7.667\" \/ Cyl. length 4.938\".  Comes with T6 heat treated 390 Hypereutectic cast pistons with 16% silicone levels which enables running a very tight clearance for longevity and hardly any piston noise.  Note: Top compression ring will need additional clearance. See instructions.\u003c\/p\u003e","brand":"Kb Performance Pistons","offers":[{"title":"Default Title","offer_id":50010502267208,"sku":"944716","price":367.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/944716.jpg?v=1779056636"},{"product_id":"kb-performance-3-5-8-big-bore-piston-kit-010","title":"Kb Performance, 3 5\/8\" Big Bore Piston Kit. +.010\"","description":"\u003cp\u003e3-5\/8\" big bore piston set. Used with 3 5\/8\" big bore cylinders with 5.330\" (stock) to 5.530\" (+.200\") length. Use with 4-1\/4\" stock stroke (88\"); 4-1\/2\" (93\"); 4-5\/8\" (96\") to 4-3\/4\" (98\") stroker flywheels.  10.0:1 CR. Piston weight 385gr. Piston pin weight 97gr.  Head type: Dome \/ Dome -57cc.  Compression height 1.285\" \/ Bore 3.625\" (3 5\/8\").  Stroke 4.250\" to 4.750\" (4-1\/4\" to 4-3\/4\").  Rod length 7.440\" \/ Cyl. length 5.330\" (Std) to 5.530\" (+.200\").  Comes with T6 heat treated 390 Hypereutectic cast pistons with 16% silicone levels which enables running a very tight clearance for longevity and hardly any piston noise.   Note: Top compression ring will need additional clearance. See instructions. Note: 5.330\" cylinders can be used with stock 4-1\/4\" stroke. Longer strokes require correct length longer cylinders or stroker plates to achieve the desired compression ratio.  Note: In any and all applications the technician must be able to judge components for their suitability in combination with the other engine components; prior to installation.\u003c\/p\u003e","brand":"Kb Performance Pistons","offers":[{"title":"Default Title","offer_id":50010491945288,"sku":"944685","price":367.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/944685.jpg?v=1779056625"},{"product_id":"kb-performance-3-5-8-big-bore-piston-kit-std","title":"Kb Performance, 3 5\/8\" Big Bore Piston Kit. Std","description":"\u003cp\u003e3-5\/8\" big bore piston set. Used with 3 5\/8\" big bore cylinders with 5.330\" (stock) to 5.530\" (+.200\") length. Use with 4-1\/4\" stock stroke (88\"); 4-1\/2\" (93\"); 4-5\/8\" (96\") to 4-3\/4\" (98\") stroker flywheels.  10.0:1 CR. Piston weight 385gr. Piston pin weight 97gr.  Head type: Dome \/ Dome -57cc.  Compression height 1.285\" \/ Bore 3.625\" (3 5\/8\").  Stroke 4.250\" to 4.750\" (4-1\/4\" to 4-3\/4\").  Rod length 7.440\" \/ Cyl. length 5.330\" (Std) to 5.530\" (+.200\").  Comes with T6 heat treated 390 Hypereutectic cast pistons with 16% silicone levels which enables running a very tight clearance for longevity and hardly any piston noise.   Note: Top compression ring will need additional clearance. See instructions. Note: 5.330\" cylinders can be used with stock 4-1\/4\" stroke. Longer strokes require correct length longer cylinders or stroker plates to achieve the desired compression ratio.  Note: In any and all applications the technician must be able to judge components for their suitability in combination with the other engine components; prior to installation.\u003c\/p\u003e","brand":"Kb Performance Pistons","offers":[{"title":"Default Title","offer_id":50010502431048,"sku":"944683","price":367.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/944683.jpg?v=1779056613"},{"product_id":"kb-performance-1340cc-evo-b-t-pop-up-piston-kit-005","title":"Kb Performance, 1340cc Evo B.T. Pop Up Piston Kit. +.005\"","description":"\u003cp\u003ePop-up high compression. 10.5:1 CR. Piston weight 360gr. Piston pin weight 97gr.  Head type: Dome 0.200\".  Dome -18cc.  Compression height 1.375\".  Bore 3.4980\".  Stroke 4.250\" (4-1\/4\").  Rod length 7.440\".  Cyl. length 5.550\".  Comes with T6 heat treated 390 Hypereutectic cast pistons with 16% silicone levels which enables running a very tight clearance for longevity and hardly any piston noise.  Note: Top compression ring will need additional clearance. See instructions.\u003c\/p\u003e","brand":"Kb Performance Pistons","offers":[{"title":"Default Title","offer_id":50010502627656,"sku":"944672","price":306.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/944672.jpg?v=1779056601"},{"product_id":"kb-performance-1340cc-evo-b-t-pop-up-piston-kit-std","title":"Kb Performance, 1340cc Evo B.T. Pop Up Piston Kit. Std","description":"\u003cp\u003ePop-up high compression. 10.5:1 CR. Piston weight 360gr. Piston pin weight 97gr.  Head type: Dome 0.200\".  Dome -18cc.  Compression height 1.375\".  Bore 3.4980\".  Stroke 4.250\" (4-1\/4\").  Rod length 7.440\".  Cyl. length 5.550\".  Comes with T6 heat treated 390 Hypereutectic cast pistons with 16% silicone levels which enables running a very tight clearance for longevity and hardly any piston noise.  Note: Top compression ring will need additional clearance. See instructions.\u003c\/p\u003e","brand":"Kb Performance Pistons","offers":[{"title":"Default Title","offer_id":50010517012808,"sku":"944671","price":306.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/944671.jpg?v=1779056589"},{"product_id":"kb-performance-1340cc-evo-b-t-pop-up-piston-kit-std-1","title":"Kb Performance, 1340cc Evo B.T. Pop Up Piston Kit. Std","description":"\u003cp\u003ePop-up high compression. 9.5:1 CR. Piston weight 392gr. Piston pin weight 97gr.  Head type: Dome.  Dome -9cc.  Compression height 1.375\".  Bore 3.4980\".  Stroke 4.250\" (4 1\/4\").  Rod length 7.440\".  Cyl. length 5.550\".  Comes with T6 heat treated 390 Hypereutectic cast pistons with 16% silicone levels which enables running a very tight clearance for longevity and hardly any piston noise.  Note: Top compression ring will need additional clearance. See instructions.\u003c\/p\u003e","brand":"Kb Performance Pistons","offers":[{"title":"Default Title","offer_id":50010522091848,"sku":"944665","price":306.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/944665.jpg?v=1779056577"},{"product_id":"kb-performance-1340cc-evo-b-t-piston-kit-005","title":"Kb Performance, 1340cc Evo B.T. Piston Kit. +.005\"","description":"\u003cp\u003e8.5:1 CR. Piston weight 350gr. Piston pin weight 97gr.  Head type: Flat top.  Dome +1.5cc.  Compression height 1.375\".  Bore 3.4980\".  Stroke 4.250\" (4-1\/4\").  Rod length 7.440\".  Cyl. length 5.550\".  Comes with T6 heat treated 390 Hypereutectic cast pistons with 16% silicone levels which enables running a very tight clearance for longevity and hardly any piston noise.  Note: Top compression ring will need additional clearance. See instructions.\u003c\/p\u003e","brand":"Kb Performance Pistons","offers":[{"title":"Default Title","offer_id":50010522485064,"sku":"944660","price":290.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/944660.jpg?v=1779056565"},{"product_id":"kb-performance-1340cc-evo-b-t-piston-kit-std","title":"Kb Performance, 1340cc Evo B.T. Piston Kit. Std","description":"\u003cp\u003e8.5:1 CR. Piston weight 350gr. Piston pin weight 97gr.  Head type: Flat top.  Dome +1.5cc.  Compression height 1.375\".  Bore 3.4980\".  Stroke 4.250\" (4-1\/4\").  Rod length 7.440\".  Cyl. length 5.550\".  Comes with T6 heat treated 390 Hypereutectic cast pistons with 16% silicone levels which enables running a very tight clearance for longevity and hardly any piston noise.   Note: Top compression ring will need additional clearance. See instructions.\u003c\/p\u003e","brand":"Kb Performance Pistons","offers":[{"title":"Default Title","offer_id":50010531725640,"sku":"944659","price":290.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/944659.jpg?v=1779056554"},{"product_id":"kb-performance-1340cc-shovel-pop-up-piston-kit-005","title":"Kb Performance, 1340cc Shovel Pop Up Piston Kit. +.005\"","description":"\u003cp\u003eHigh compression pop-up piston set. 9.5:1 CR. Piston weight 388gr. Piston pin weight 97gr.  Head type: Dome \/ Dome -47cc.  Compression height 1.285\" \/ Bore 3.4980\".  Stroke 4.250\".  Rod length 7.440\" \/ Cyl. length 5.330\".  Comes with T6 heat treated 390 Hypereutectic cast pistons with 16% silicone levels which enables running a very tight clearance for longevity and hardly any piston noise.   Note: Top compression ring will need additional clearance. See instructions. Note: Around 30% of stock 1340cc Shovel cylinders may present a problem in combination with the location of some of the oil return holes since KB pistons have a wider piston ring pack for better piston stability in the cylinder. In these cases the oil return hole must be re-located (lowered) to avoid excessive oil consumption.\u003c\/p\u003e","brand":"Kb Performance Pistons","offers":[{"title":"Default Title","offer_id":50010532118856,"sku":"944654","price":306.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/944654.jpg?v=1779056542"},{"product_id":"kb-performance-1340cc-shovel-pop-up-piston-kit-std","title":"Kb Performance, 1340cc Shovel Pop Up Piston Kit. Std","description":"\u003cp\u003eHigh compression pop-up piston set. 9.5:1 CR. Piston weight 388gr. Piston pin weight 97gr.  Head type: Dome \/ Dome -47cc.  Compression height 1.285\" \/ Bore 3.4980\".  Stroke 4.250\".  Rod length 7.440\" \/ Cyl. length 5.330\".  Comes with T6 heat treated 390 Hypereutectic cast pistons with 16% silicone levels which enables running a very tight clearance for longevity and hardly any piston noise.   Note: Top compression ring will need additional clearance. See instructions. Note: Around 30% of stock 1340cc Shovel cylinders may present a problem in combination with the location of some of the oil return holes since KB pistons have a wider piston ring pack for better piston stability in the cylinder. In these cases the oil return hole must be re-located (lowered) to avoid excessive oil consumption.\u003c\/p\u003e","brand":"Kb Performance Pistons","offers":[{"title":"Default Title","offer_id":50010492895560,"sku":"944653","price":306.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/944653.jpg?v=1779056530"},{"product_id":"kb-performance-1340cc-shovel-piston-kit-std","title":"Kb Performance, 1340cc Shovel Piston Kit. Std","description":"\u003cp\u003e8.0:1 CR. Piston weight 357gr. Piston pin weight 97gr. Head type: Dome 0.426\" \/ Dome -30cc.  Compression height 1.285\". \/ Bore 3.4980\".  Stroke 4.250\" (4-1\/4\").  Rod length 7.440\" \/ Cyl. length 5.330\".  Comes with T6 heat treated 390 Hypereutectic cast pistons with 16% silicone levels which enables running a very tight clearance for longevity and hardly any piston noise.   Note: Top compression ring will need additional clearance. See instructions.  Note: Around 30% of stock 1340cc Shovel cylinders may present a problem in combination with the location of some of the oil return holes since KB pistons have a wider piston ring pack for better piston stability in the cylinder. In these cases the oil return hole must be re-located (lowered) to avoid excessive oil consumption.\u003c\/p\u003e","brand":"Kb Performance Pistons","offers":[{"title":"Default Title","offer_id":50010503479624,"sku":"944647","price":306.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/944647.jpg?v=1779056518"},{"product_id":"kb-performance-1200cc-b-t-piston-kit-005","title":"Kb Performance, 1200cc B.T. Piston Kit. +.005\"","description":"\u003cp\u003eCompatible with stock cylinders and heads; gives stock compression ratio. 8.5:1 CR. Piston weight 370gr. Piston pin weight 97gr.  Head type: Dome 0.656\" \/ Dome -57cc.  Compression height 1.450\".  Bore 3.4375\" \/ Stroke 3.969\" (3-31\/32\").  Rod length 7.440\" \/ Cyl. length 5.330\".  Comes with T6 heat treated 390 Hypereutectic cast pistons with 16% silicone levels which enables running a very tight clearance for longevity and hardly any piston noise.   Note: Top compression ring will need additional clearance. See instructions.\u003c\/p\u003e","brand":"Kb Performance Pistons","offers":[{"title":"Default Title","offer_id":50010493387080,"sku":"944632","price":298.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/944632.jpg?v=1779056506"},{"product_id":"kb-performance-1200cc-b-t-piston-kit-std","title":"Kb Performance, 1200cc B.T. Piston Kit. Std","description":"\u003cp\u003eCompatible with stock cylinders and heads; gives stock compression ratio. 8.5:1 CR. Piston weight 370gr. Piston pin weight 97gr.  Head type: Dome 0.656\" \/ Dome -57cc.  Compression height 1.450\".  Bore 3.4375\" \/ Stroke 3.969\" (3-31\/32\").  Rod length 7.440\" \/ Cyl. length 5.330\".  Comes with T6 heat treated 390 Hypereutectic cast pistons with 16% silicone levels which enables running a very tight clearance for longevity and hardly any piston noise.   Note: Top compression ring will need additional clearance. See instructions.\u003c\/p\u003e","brand":"Kb Performance Pistons","offers":[{"title":"Default Title","offer_id":50010503872840,"sku":"944631","price":298.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/944631.jpg?v=1779056494"},{"product_id":"kb-performance-1200-xl-piston-kit-std","title":"Kb Performance, 1200 Xl Piston Kit. Std","description":"\u003cp\u003eStandard replacement piston set; for stock or high lift camshafts. With a lowered top ring and deeper valve pockets to accomodate the higher lift cams. Stock 9.0:1 compression ratio. Piston weight 341gr. Piston pin weight 97gr.  Head type: Flat top \/ Dome +1.5cc.  Compression height 1.210\".  Bore 3.498\" \/ Stroke 3.812\".  Rod length 6.938\" \/ Cyl. length 4.650\".  Comes with T6 heat treated 390 Hypereutectic cast pistons with 16% silicone levels which enables running a very tight clearance for longevity and hardly any piston noise.   Note: Top compression ring will need additional clearance. See instructions.\u003c\/p\u003e","brand":"Kb Performance Pistons","offers":[{"title":"Default Title","offer_id":50010493550920,"sku":"944625","price":282.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/944625.jpg?v=1779056483"},{"product_id":"kb-performance-1200-xl-piston-kit-5","title":"Kb Performance, 1200 Xl Piston Kit. +.005\"","description":"\u003cp\u003eStandard replacement piston set for stock applications. Stock 9.0:1 compression ratio.  Piston weight 341gr. Piston pin weight 97gr.  Head type: Flat top \/ Dome +1.5cc.  Compression height 1.210\".  Bore 3.498\" \/ Stroke 3.812\".  Rod length 6.938\" \/ Cyl. length 4.650\".  Comes with T6 heat treated 390 Hypereutectic cast pistons with 16% silicone levels which enables running a very tight clearance for longevity and hardly any piston noise.   Note: Top compression ring will need additional clearance. See instructions.\u003c\/p\u003e","brand":"Kb Performance Pistons","offers":[{"title":"Default Title","offer_id":50010493714760,"sku":"944620","price":282.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/944620.jpg?v=1779056471"},{"product_id":"kb-performance-1200-xl-piston-kit-std-1","title":"Kb Performance, 1200 Xl Piston Kit. Std","description":"\u003cp\u003eStandard replacement piston set for stock applications. Stock 9.0:1 compression ratio.  Piston weight 341gr. Piston pin weight 97gr.  Head type: Flat top \/ Dome +1.5cc.  Compression height 1.210\".  Bore 3.498\" \/ Stroke 3.812\".  Rod length 6.938\" \/ Cyl. length 4.650\".  Comes with T6 heat treated 390 Hypereutectic cast pistons with 16% silicone levels which enables running a very tight clearance for longevity and hardly any piston noise.   Note: Top compression ring will need additional clearance. See instructions.\u003c\/p\u003e","brand":"Kb Performance Pistons","offers":[{"title":"Default Title","offer_id":50010504528200,"sku":"944619","price":282.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/944619.jpg?v=1779056459"},{"product_id":"kb-performance-883-1200-big-bore-piston-kit-005","title":"Kb Performance, 883 1200 Big Bore Piston Kit. +.005\"","description":"\u003cp\u003eHigh compression. 883-1200 conversion piston set. Compatible with stock unmodified cylinder heads. 10:1 Compression ratio. Piston weight 335gr. Piston pin diameter .792\" and weight 97gr.  Head type: Dish.  Dome +10cc.  Compression height 1.210\".  Bore 3.498\".  Stroke 3.812\".  Rod length 6.926\".  Cyl. length 4.650\".  Comes with T6 heat treated 390 Hypereutectic cast pistons with 16% silicone levels which enables running a very tight clearance for longevity and hardly any piston noise.   Note: Top compression ring will need additional clearance. See instructions.  Note: 1200cc cylinders must be purchased for 04-up 883 XL models. Stock cylinders liners of 04-up XL models are too thin to bore to 1200 size.\u003c\/p\u003e","brand":"Kb Performance Pistons","offers":[{"title":"Default Title","offer_id":50010504659272,"sku":"944614","price":306.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/944614.jpg?v=1779056447"},{"product_id":"kb-performance-883-1200-big-bore-piston-kit-std-1","title":"Kb Performance, 883 1200 Big Bore Piston Kit. Std","description":"\u003cp\u003eHigh compression. 883-1200 conversion piston set. Compatible with stock unmodified cylinder heads. 10:1 Compression ratio. Piston weight 335gr. Piston pin diameter .792\" and weight 97gr.  Head type: Dish.  Dome +10cc.  Compression height 1.210\".  Bore 3.498\".  Stroke 3.812\".  Rod length 6.926\".  Cyl. length 4.650\".  Comes with T6 heat treated 390 Hypereutectic cast pistons with 16% silicone levels which enables running a very tight clearance for longevity and hardly any piston noise.   Note: Top compression ring will need additional clearance. See instructions.  Note: 1200cc cylinders must be purchased for 04-up 883 XL models. Stock cylinders liners of 04-up XL models are too thin to bore to 1200 size.\u003c\/p\u003e","brand":"Kb Performance Pistons","offers":[{"title":"Default Title","offer_id":50010519044424,"sku":"944613","price":306.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/944613.jpg?v=1779056435"}],"url":"https:\/\/holydeath.com\/collections\/pistons-cylinders.oembed","provider":"Holy Death Motorcycle Co.","version":"1.0","type":"link"}