Kuvaus
Exhaust tappet only. Solid lifter tappet to fit OEM Knuckleheads. Also stock replacement for S&S KN-series (Knucklehead style) engines. Note: See 531593 for a complete +.005″ O.D. intake & exhaust tappet set.36-47 Knucklehead All S&S KN-series (Knucklehead style) engines