S&S Cycle SS31-6208 High Volume & High Pressure Billet Oil Pump Polished for Big Twin 92-99 style Super Side Winder 4-1/8" Bore Engines • Quick-lace closure system for

• Quick-lace closure system for a snug and secure fit

The ball bearings completely eliminate traditional rough

SportModular has been conceived in the wind tunnel for superior quietness

or RWD-50110 for 26in

You have a range of capabilities for analyzing and printing out logged data that is displayed in a chart recorder format

S&S Cycle SS31-6208 High Volume & High Pressure Billet Oil Pump Polished for Big Twin 92-99 style Super Side Winder 4-1/8" Bore Engines • Quick-lace closure system forFitment: 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