11-0494 - 61 Knucklehead Rear Cylinder

Rear cylinder fits Knucklehead 1936-1947 61 inch models. Cylinders are for stock bore stock stroke and compression featuring 5 fins. Cylinders must be honed to standard size for proper fit. Sold each. Piston is not included. *NOTE: All cast iron cylinders have same piston to wall clearance .0025 -.003.