Fitment: 1992-'99 HD^® Big Twin. Features & Benefits: Universial Cover. No thicker than a stock pump. Gears with fewer, but larger teeth provide. Increased oil volume for both supply and return sides of the pump. Supply gears are 9% wider than stock and standard S&S^® oil pumps. 28% wider than stock return gears ensure proper crankcase scavenging, reduce drag on the flywheels, and eliminate oil carryover. Increased scavenging capacity results in. Less oil in the crankcase. Less oil carryover. Equipped with a stock length oil pump drive shaft. Includes:Complete oil pump assembly, Oil pump driveshaft, Miscellaneous hose fittings and plugs, Paper gaskets and Mounting hardware.