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- Replica replacement 74" Knucklehead cylinder and piston kit are honed and pre fitted with 8.5:1 compression cast pistons and rings
- They are ready to run and will require break-in
- For stock stroke only
- Cylinders are without lip on top
- All cast iron cylinders have same piston to wall clearance .0025 -.003
- Replacement type cylinder kits do not have original motorcast markings on the cylinder base
- Fits 1941-1947 FL models