74 inch Knucklehead Cylinder Piston Kit
They 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.
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).
Instructions: http://www.vtwinmfg.com/Instructions/MS/Piston Fitment.pdf
FITS
Harley Davidson FL 1941
Harley Davidson FL 1942
Harley Davidson FL 1943
Harley Davidson FL 1944
Harley Davidson FL 1945
Harley Davidson FL 1946
Harley Davidson FL 1947
OCPPARTSWAREHOUSE is not responsible for late deliveries outside of our control. Severe weather, carrier issues, pandemics, natural disasters, etc.
Orders over $75.00 qualify for free shipping.
Orders under $75.00pay a flat shipping rate of $10.95 Offer only applies to 48 contiguous states. Hazardous Materials ship UPS Ground only.
Orders that contain backorders, the order will be held until all parts are in. A customer representative will reach out to you if this is the case. At that time a decision can be made whether or not to split the order.
Alaska orders will be charged a flat $35 charge and will be shipped Post Office Priority Mail. We do not ship Oversized mail to Alaska.
Hawaii orders will be charged a flat $35 charge and will be shipped Post Office Priority Mail. We do not ship Oversized mail to Hawaii.
Puerto Rico orders will be charged a flat $35 charge and will be shipped Post Office Priority Mail. We do not ship Oversized mail to Puerto Rico.
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