Royal Purple

Purple Ice is a concentrated radiator conditioner that lowers coolant temperatures and adds corrosion protection when used with antifreeze or straight water systems. Royal Purple Purple Ice is a synthetic radiator additive formulated to improve heat transfer and protect pressurized cooling systems. By reducing...

Royal Purple Max Cycle 10W-40 is a full-synthetic motorcycle oil engineered to protect high-stress 4-cycle engines and wet-clutch transmissions while improving performance and cleanliness. Designed for riders and mechanics who demand dependable lubrication under heat, load and frequent operation, Max Cycle combines a wide-temperature...

Royal Purple 0W-40 BQ synthetic motor oil in a 1-quart bottle is a premium API-licensed engine oil formulated to protect moving parts, support fuel efficiency, and maintain emissions system health. Designed from high-quality base stocks and Royal Purple’s proprietary additive package, this 0W-40 grade...

Royal Purple HMX SAE 5W-30 is a high-mileage synthetic motor oil formulated to reduce wear, rejuvenate seals, and help restore performance in engines with 75,000+ miles. As engines accumulate miles, internal seals harden, deposits form, and oil consumption and wear often increase. Royal Purple...

Royal Purple Max-Gear 75W-140 is a fully synthetic hypoid gear lubricant formulated to protect heavily loaded differentials and gear sets while improving driveline efficiency. This three-quart pack of Royal Purple Max-Gear 01301 supplies a high-performance 75W-140 viscosity gear oil designed for demanding automotive and...

Royal Purple Synchromax is a high-performance manual transmission fluid formulated to improve shift feel, protect gears, and extend lubricant life for a wide range of manual gearboxes. Synchromax by Royal Purple is engineered for manual transmissions that call for automatic transmission fluids, multi-viscosity motor...