Royal Purple Oil & Additives

ROYAL PURPLE MAX ATF - SYNTHETIC AUTOMATIC TRANSMISSION FLUID Max ATF is a synthetic, high performance, long life, multipurpose, automatic transmission fluid. It's more oxidation stable than other transmission fluids for a longer fluid life. Max ATF's low co-efficient of friction and high film stre...

ROYAL PURPLE MAX-GEAR SYNTHETIC GEAR OIL Max-Gear is recommended for use in truck, motor home / RV, and automotive front or rear differentials, manual transmissions and lower gear units of marine engines that specify use of an API GL-5 or GL-4 fluid. Max-Gear is an ultra-tough, high performance, G...

ROYAL PURPLE MOTOR OIL Royal Purple Motor Oil is recommended for use in all four-cycle gasoline engines and both two-cycle and four-cycle diesel applications including cars, trucks, motor homes / RVs, boats, commercial fleet and stationary industrial diesel engines. Royal Purple Motor Oil is a tou...