Harley Davidson Chain Case Synthetic V-Twin Primary Fluid Delivers consistent clutch feel for confident takeoffs Helps prevent clutch slip Provides smooth acceleration Helps riders easily find neutral Protects compensator bearing, chain and gears against wear Synthetic V-Twin Primary Fluid Engineered to pr...

Special Harley Davidson Synthetic V-Twin Transmission Fluid Protects against gear and bearing wear Delivers smooth shifts Helps eliminate loud thunks and gear noise Custom-engineered for quiet operation to eliminate transmission whine. Enables smooth shifts for crisp acceleration through each gear. Delivers ...

Preserves Horsepower and Performance Your engine’s top-end is sparsely lubricated and prone to the development of performance-robbing deposits. It’s also highly susceptible to corrosion, an issue compounded by the prevalence of ethanol in today’s fuel. AMSOIL Upper Cylinder Lubricant is designed to solve those issue...

TOTACHI® Complete Fuel System Clean AUTO is a high-performance fuel system cleaner that is added to gasoline vehicles to effectively eliminate all the carbon build up, sludge, varnish and all stubborn dirt in the fuel injectors, intake valves and combustion chambers of a Port Fuel Injection (PFI) and Gasoline Direc...

TOTACHI® Diesel Cetane & Fuel System Boost is 2-in-1 powerful additive that increases the diesel cetane number and cleans the fuel system of all types of diesel engines. It thoroughly removes micro particles, deposits, varnish, gums and sludge in injectors, valves, and combustion chambers. Ensures better atomiz...

TOTACHI® Fuel Injector Cleaner AUTO eliminates the carbon build up, sludge, varnish and deposits in the injection valves, intake valves, spark plugs and combustion chambers.  It cleans the components of the gasoline injection system and prevents further dirt build up.   It restores the engine power for optimum driv...