Amsoil Synthetic V-Twin Primary Fluid (946ml) Amsoil Professional Compatibility: Works seamlessly with

Professional Compatibility: Works seamlessly with foam

Total Deep-Barrel Access

Precision meets safety

Exterior Badges Excellent for cleaning around car emblems and lettering

Available at Automize

Amsoil Synthetic V-Twin Primary Fluid (946ml) Amsoil Professional Compatibility: Works seamlessly withLock in Torque. Eliminate Slip. Amsoil Synthetic V Twin Primary Fluid is a purpose built lubricant designed to ensure solid clutch engagement and superior cooling for the primary chaincase of Harley Davidson motorcycles. The "Primary" is where the power leaves the engine. It houses your clutch, your primary chain, and often your stator (alternator). Using standard motor oil here is a mistakeit contains friction modifiers that cause the clutch to slip