{"product_id":"3-to-4-speed-conversion-kit-for-45-flathead","title":"3 To 4 Speed Conversion Kit For 45\" Flathead","description":"\u003cp\u003eWill enable you to turn the stock 45\" 3-speed transmission into a 4-speed. 1; 2; 3 are smaller and 4th gear is identical to OEM ratio to get closer to the optimum RPM (Torque) at different speeds. Fits 3-speed 45\" (750cc) Side Valve models. 41-46 shift pattern. Can be used with later models when converted to footshift or the tankshift pattern is converted to 41-46 style.   Note: The stock transmission side cover (kickstart cover) must be machined to accept the larger first (low) gear. Optionally a special 4-speed transmission side cover is separately available as 971591.\u003c\/p\u003e","brand":"Samwel","offers":[{"title":"Default Title","offer_id":50010363363656,"sku":"971589","price":1151.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2711\/4344\/files\/971589.jpg?v=1779115416","url":"https:\/\/holydeath.com\/products\/3-to-4-speed-conversion-kit-for-45-flathead","provider":"Holy Death Motorcycle Co.","version":"1.0","type":"link"}