Fits: > 73-85 4-SP B

Low or Anniversary models

With each cam change S&S recommends their 583903 Precision tappet assembly set

For 32-68T ratio

Small custom 6" air cleaner

PISTON KIT +.040 WITH RINGS 4-speed Fits: > 73-85 4-SP BCast aluminum OEM style pistons for a stock rebuild. Wil fit all 29 73 45" (750cc) Flathead models. Pistons include wrist pins, retainers and piston rings. Note: In any and all applications the technician must be able to judge components for their suitability in combination with the other engine components, prior to installation. It is of importance that a knowledgeable mechanic will install & make adjustments as required. The rider must follow