Extreme Performance V-Twin Primary Lube is designed for use in the primary chain case of all Harley-Davidson Big Twin Models and in the wet and primary/transmission common sumps found in Harley Davidson Sportster models with wet clutches sharing the same sump as the transmission gears.

Extreme Performance V-Twin Primary Lube can be used in chain chases equipped with original, modified or aftermarket high performance clutch assemblies.

(Not recommended for combined engine/transmission sumps.)