{"product_id":"cometic-builders-cylinder-base-gasket-set-3-1-2-copper-1","title":"Cometic, builders cylinder base gasket set. 3-1\/2\" copper","description":"\u003cp\u003e3-1\/2\" standard bore. With ''type A'' style gaskets.  Includes two of each in .005\"; .010\"; .015\" and .020\" thickness.  These are specialty copper base gaskets for mechanics that want to achieve a specific compression ratio.  Type A gasket explained: Type A'' gasket is the early type introduced on the 1984 Evolution Big Twin models; and can be used on all of the 84-99 Evo Big Twin models and will follow the contoures of the cylinder base perfectly. They will fit 86-22 Evo XL; but stick out at the cylinder base. Both type ''A'' and type ''B'' have identical inner bore diameter; oil hole and stud hole locations. Gaskets for front \u0026amp; rear cylinder are identical. Only difference between the ''A'' \u0026amp; ''B'' gaskets is the outside perimeter.\u003c\/p\u003e","brand":"Cometic","offers":[{"title":"Default Title","offer_id":53081426297160,"sku":"561221","price":121.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/561221.jpg?v=1778738462","url":"https:\/\/holydeath.com\/products\/cometic-builders-cylinder-base-gasket-set-3-1-2-copper-1","provider":"Holy Death Motorcycle Co.","version":"1.0","type":"link"}