Royal Purple Automotive Products

Royal Purple Premium Synthetic Automotive Products


Motor Oils & Oil Filters

HPS™ – High Performance Street Synthetic Motor Oil is recommended for anyone seeking a higher level of performance and protection. HPS is specifically formulated to maximize performance and meet the demands of high performance and modified engines.

Duralec™ Ultra™ Motor Oil is specifically formulated to maximize performance and meet the demands of today’s heavy-duty diesel engines.

HMX – High Mileage Synthetic Motor Oil is specifically designed by Royal Purple engineers to minimize wear inside older engines and restore lost engine performance.

Royal Purple’s API-licensed motor oil delivers superior protection and improves performance in gasoline and diesel engines. It also meets warranty requirements of most passenger car and light trucks sold in the U.S./North America.

Royal Purple’s Break-in Oil promotes a gentle start-up and gives new engines superior protection from rough-running engine problems.

Royal Purple’s super-premium Extended Life Oil Filter is designed and engineered to match superior particle removal with optimized flow for maximum engine protection and filter life.

What is the difference between Royal Purple’s HPS and API-licensed synthetic motor oils?


Transmission Fluids

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. 

Synchromax is a synthetic manual transmission fluid designed to increase performance and expand the life of your manual transmission.

Gear Oil

Max Gear is an ultra-tough, high performance automotive hypoid gear oil which provides maximum protection to heavily loaded gears, while maximizing power throughout the drive train.

Performance Additives

Max-Blast is a high-performance engine intake system cleaner that removes harmful intake valve deposits to restore engine performance and fuel economy.

Max-Atomizer is a fully-synthetic, highly concentrated, high performance fuel injector cleaner.

Max-Boost is a high performance octane booster and fuel treatment.

Max-Clean is a state-of-the-art high performance synthetic fuel system cleaner that restores fuel economy and deeply penetrates and cleans injectors, carburetors, intake valves and combustion chambers.

Max-Tane fuel injector cleaner and stabilizer improves fuel economy, lubricates and cleans the fuel system.

Purple Ice® is a high performance radiator conditioner. Its advanced 2-in-1 corrosion inhibitor and wetting agent provides year-round defense against corrosion. Purple Ice also reduces the surface tension of the radiator coolant to help reduce engine temperatures.

Royal Flush™ is an engine cooling system flush and cleaner that maintains and restores cooling system efficiency.

Specialty Lubricants

Royal Purple Maxfilm is a high film strength, multipurpose, synthetic lubricant/penetrant that deeply penetrates, cleans and loosens rusted parts.

Max EZ® is an advanced power steering fluid designed to maximize the life and performance of all power steering units.

Max-Tuff is an ultra-tough, synthetic lubricant. It is designed for engine builds and repairs, specifically crankshaft, camshaft and rod bearing assembly.

Ultra-Performance Grease (UPG) is a high performance, multi-service, aluminum-complex, synthetic grease which significantly increases bearing life and equipment reliability.