For heavily-loaded racing differentials and transmissions, problem gearboxes
For Custom Applications Only.
For heavily-loaded racing differentials and transmissions, problem gearboxes
For Custom Applications Only.
Highly refined Super DOT4 giving a significantly higher boiling point than a regular DOT5.1
High-performance engine oil with an optimal viscosity grade produced using fully synthetic polyalpha-olefins (PAO).
Perfect for a top off any time you need it!
Engine Armor with MoS2 - Reduces friction and engine wear - Treats up to 7 Liters / 7.4 Quarts of Engine Oil
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MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
06-08-2026
-25 Fahrenheit formula with advanced technology for maximum de-icing and streak-free cleaning power
This product was last offered at the strikethrough price on
05-07-2026
Synthetic gear oil for superior performance in your differential
Max-Gear is recommended for use in front or rear LSD differentials, manual transmissions, and lower gear units of marine engines that specify use of an API GL-5 or GL-4 fluid
A triboceramic treatment to restore and protect metal surfaces inside the engine
Boiling Point - Dry 260°C (500°F) / Wet >170°C (338°F)
This product was last offered at the strikethrough price on
06-25-2026
High-performance ATF with an extremely wide range of applications
Power steering fluid friction modifier
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
05-06-2026
High-performance engine oil with an optimal viscosity grade produced using fully synthetic polyalpha-olefins (PAO).
TRW DOT 4 fluid. Boiling point - Dry 270°C (518°F) / Wet 163°C (325°F)
Want to use that signature purple oil in your European engine? Here is Royal Purple's answer to the European engine market.
7-in-1 Fuel Treatment is designed to make driving enjoyable again by removing deposits from the combustion chamber.
This item is classified as Hazardous Materials and requires special shipping and handling. We cannot ship this item out of the US or with priority shippi