Additives

High-tech fuel additive, developed specifically for improved throttle response under partial engine load. Optimizes fuel atomization and combustion, cleans fuel system while providing maximum engine...

Royal Purple Max-Clean is a state-of-the-art high performance fuel system cleaner that maximizes the performance of your fuel system. Max-Clean restores fuel economy by deeply penetrating deposits...

Cleans your carburetors or fuel injectors, fuel lines, tank, intake valves, combustion chambers and fouled plugs

Royal Purple Max-Tane is formulated for year-round use in all types of light, medium and heavy duty diesel engines, and is compatible with any type or grade of diesel fuel, including #1 diesel and #2...

Royal Purple Max-Atomizer is a highly concentrated, high performance fuel injector cleaner. It is specially formulated to solve problems with today's direct injection engines, but can be used with...

Royal Purple Break-In Oil is formulated to provide the critical wear protection needed by the engine valve train and camshaft while allowing new piston rings to quickly seat to the engine cylinder...

Royal Purple Max-Boost is a high-performance octane booster and fuel treatment that increases gasoline octane, reduces emissions, and enhances engine performance while stabilizing fuel. Max-Boost is...

LIQUI MOLY recommends adding Motorbike Radiator Cleaner to the cooling water if problems arise or before changing the coolant. Depending on the level of contamination, run the engine at operating...

Get the most from your water-methanol injection kit with Boost Juice! Boost Juice is a proprietary mix of 49% methanol and 51% distilled water. Manufactured in the U.S.A in a controlled environment...

Max-Restore contains a high dose of polyether amine (PEA) & proprietary detergents that quickly clean stubborn, long-term deposits, often found in high mileage engines, that clog injectors and...