Fluids

Engine builders have grown increasingly concerned that many modern motor oils do not provide adequate wear protection for new engines, particularly those using flat-tappet cams. Royal Purple has addressed this issue by developing a new engine break-in...

Royal Purple’s API-licensed Motor Oil combines premium base oils with proprietary additive technologies to create high performance motor oils that optimize engine performance. Royal Purple’s API-licensed motor oil delivers superior...

Max Gear is recommended for use in truck and automotive front or rear differentials, manual transmissions and lower gear units of marine engines that specify the use of an API GL-5 or GL-4 fluid. It is non-corrosive to soft yellow metals (brass, bronze,...

Synchromax ® is recommended for manual transmissions that specify an automatic transmission fluid or motor oil. It is also ideal for 4x4 transfer cases and / or 2-cycle and 4-cycle motorcycle gear boxes. Synchromax ® is formulated with Royal...

Bearing damage is a serious concern for any high-performance or high-mileage engine. Mishimoto Magnetic Oil Drain Plugs remove metal fragments in engine oil, thus extending and protecting the life of your engine. These oil drain plugs are constructed...

Bearing damage is a serious concern for any high-performance or high-mileage engine. Mishimoto Magnetic Oil Drain Plugs remove metal fragments in engine oil, thus extending and protecting the life of your engine. These oil drain plugs are constructed...

Motul produces the finest performance lubricants in the world. Motul Gear 300 75W/90 Gear Oil is a 100% synthetic high-performance gear oil designed for use in manual transmissions and rear end differentials. Meets both GL4 and GL5 specifications...

Royal Purple ® Max Gear ® Oil 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...

Royal Purple ® 1-QT. Bottle 15W-40 Synthetic 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...

Royal Purple’s API-licensed Motor Oil combines premium base oils with proprietary additive technologies to create high performance motor oils that optimize engine performance. Royal Purple’s API-licensed motor oil delivers superior...

Royal Purple’s API-licensed Motor Oil combines premium base oils with proprietary additive technologies to create high performance motor oils that optimize engine performance. Royal Purple’s API-licensed motor oil delivers superior...

Max Gear is recommended for use in truck 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. It is non-corrosive to soft yellow metals (brass, bronze,...

Max-Cycle synthetic engine oil is available in 10W-30, 10W-40, and 20W-50, and is specifically formulated to exceed the demands of highly stressed motorcycle engines and transmissions. It is recommended for use in both air-cooled and liquid-cooled...

Max-Cycle synthetic engine oil is available in 10W-30, 10W-40, and 20W-50, and is specifically formulated to exceed the demands of highly stressed motorcycle engines and transmissions. It is recommended for use in both air-cooled and liquid-cooled...

Max ATF is a synthetic, high-performance, automatic transmission fluid. Its low co-efficient of friction and high film strength help dramatically reduce heat and wear. Additionally, our premium ATF fluid gives you longer fluid life because it’s...

Max ATF is recommended for vehicles that require any of the following ATF fluids: Allison C-4, TES-295 Mazda ATF-M III, ATF-MV Audi G-052-162, G-052-990, G-055-025 Mercedes Benz 236.1, 236.2, 236.3, 236.5, 236...

Synchromax is a synthetic manual transmission fluid designed to increase performance and expand the life of your manual transmission. Using Synchromax improves shifting, reduces gear noise and increases power transfer to the wheels. As a performance...

Royal Purple’s API-licensed Motor Oil combines premium base oils with proprietary additive technologies to create high performance motor oils that optimize engine performance. Royal Purple’s API-licensed motor oil delivers superior...

Reduces Coolant Temperatures Extensive testing confirms Purple Ice reduces coolant temperatures better than comparable products while providing extra corrosion protection. For example, the average operating temperature of a 350 c.i.d...

Royal Purple’s API-licensed Motor Oil combines premium base oils with proprietary additive technologies to create high performance motor oils that optimize engine performance. Royal Purple’s API-licensed motor oil delivers superior...

Royal Purple’s new Max-Boost is a high performance octane booster and fuel treatment for racing applications that increases gasoline octane, reduces emissions, and enhances engine performance while stabilizing fuel. Formulated with MMT,...

Royal Purple HPS Series motor oil is specifically formulated to maximize performance and meet the demands of high performance and modified engines. HPS is high performance street motor oil recommended for vehicles no longer under manufacturer warranty...

Royal Purple HPS Series motor oil is specifically formulated to maximize performance and meet the demands of high performance and modified engines. HPS is high performance street motor oil recommended for vehicles no longer under manufacturer warranty...

Royal Purple HPS Series motor oil is specifically formulated to maximize performance and meet the demands of high performance and modified engines. HPS is high performance street motor oil recommended for vehicles no longer under manufacturer warranty...

Royal Purple HPS Series motor oil is specifically formulated to maximize performance and meet the demands of high performance and modified engines. HPS is high performance street motor oil recommended for vehicles no longer under manufacturer warranty...

Royal Purple HPS Series motor oil is specifically formulated to maximize performance and meet the demands of high performance and modified engines. HPS is high performance street motor oil recommended for vehicles no longer under manufacturer warranty...

Royal Purple’s API-licensed Motor Oil combines premium base oils with proprietary additive technologies to create high performance motor oils that optimize engine performance. Royal Purple’s API-licensed motor oil delivers superior...

Royal Purple Max Gear ® Oil 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...