{"product_id":"74-inch-knucklehead-cylinder-piston-kit","title":"74 inch Knucklehead Cylinder Piston Kit","description":"\u003cp\u003eReplacement 74 inch Knucklehead cylinder and piston kit are honed and pre fitted with 8.5:1 compression cast pistons and rings. Set does not feature any factory markings.\n\u003cbr\u003eThey are ready to run and will require break-in. Please refer to proper shop manual for suggestions on break-in. For stock stroke only. For 1941-1947 Knuckleheads. Cylinders are without lip on top. Order head base gasket separately.  *NOTE: All cast iron cylinders have same piston to wall clearance .0025 -.003.  Bore size is 3.4380 inch-3.4385 inch inner diameter. *NOTE: Replacement type cylinder kits do not have original motorcast markings on the cylinder base. \n\u003cbr\u003e Tech Notes: Shovelhead rocker arm shims may be used on the left side of the Knucklehead rocker arms to adjust end play. Available as 12-0704 (.005)  12-0710 (.007)  12-0715 (.015). \n\u003cbr\u003e Instructions: http:\/\/www.vtwinmfg.com\/Instructions\/MS\/Piston Fitment.pdf\u003c\/p\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\n1941 Harley Davidson FL\u003cbr\u003e\n1942 Harley Davidson FL\u003cbr\u003e\n1943 Harley Davidson FL\u003cbr\u003e\n1944 Harley Davidson FL\u003cbr\u003e\n1945 Harley Davidson FL\u003cbr\u003e\n1946 Harley Davidson FL\u003cbr\u003e\n1947 Harley Davidson FL","brand":"Motorshop","offers":[{"title":"Default Title","offer_id":55917274955944,"sku":"11-2601","price":1100.95,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0747\/8273\/6552\/files\/11-2601a.jpg?v=1787824304","url":"https:\/\/speedguyscanada.com\/products\/74-inch-knucklehead-cylinder-piston-kit","provider":"THE SPEED GUYS CANADA ","version":"1.0","type":"link"}