S&S Cycle 1990+ BT Pinion Shaft Conversion Gear Kit - RedPinion and oil pump gear kit 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 middle size (Red) Oil pump 24T drive gear, 6T pinion shaft oil pump gear, pinion shaft spacer and pinion shaft nut. This Part Fits: Year Make Model Submodel 1984,1987 1989 Harley Davidson FLHS Electra Glide Sport Base 1986 1989 Harley Davidson FLST Heritage Softail Base 1988 1989 Harley