S&S Cycle Drivetrain & Chain

These pinion shaft gear kits contain all the components that need to be installed on the pinion shaft They are primarily intended for scratch builders and for major overhauls of existing engines All of these pinion shaft gear kits must be used with a 24-tooth style oil pump drive gear Kits for 1984-89 can be used to replace the stock pinion shaft gears in a 1990-99 engines when installing an S&S flywheel assembly