Fits: 1936-’47, 74" & 93" knucklehead Engines. Requires stock-style adjustable tappets. Includes four aluminum non-adjustable pushrods. The increase expansion of aluminum provides a quieter valve train.
Fits: 1936-’47, 74" & 93" knucklehead Engines. Requires stock-style adjustable tappets. Includes four aluminum non-adjustable pushrods. The increase expansion of aluminum provides a quieter valve train.