S&S Cycle #33-4144 - Pinion Gear - 1.4729" - 1.4737" - Red - Big Twin L'77-'89

Pinion gear for use on 1977-1989 big twin engines and S&S flywheels for 1977-1999 engines, including S&S SH-Series and V-Series engines. Includes medium size (Red) Oil pump 24T drive gear.