HARLEY Replica 74 inch Knucklehead Cylinder Set Black Fits 1941-1947 FL,

Replica 74 inch Knucklehead cylinder set with 5 fins and black finish features cast iron cast construction with original markings. Set is used for quality restoration on the Knucklehead motor. The rear cylinder has the original casting marks of MoCasCo on the left side inch2-86 inch. Set includes front and rear cast iron 74 inch cylinder set with original casting MC markings. Set does not include pistons or rings. *NOTE: Replica cylinder is the later version of the original replacement cylinder of the late 1940's. *NOTE: All cast iron cylinders have same piston to wall clearance .0025 -.003. FITS HARLEY: 1941-1947 FL,