Torco SR-5R Synthetic Racing Oils

Torco SR-5R: The Ultimate Synthetic Racing Oil for Maximum Power

Are you looking for the best racing oil to protect your high-performance engine? Torco SR-5R Synthetic Racing Oil is our flagship lubricant, engineered specifically for highly modified race engines operating under extreme loads. By utilizing advanced Group IV/V synthetic base chemistries and Torco’s proprietary MPZ® friction-reducing technology, SR-5R provides the highest level of protection while unlocking hidden horsepower.

What are the benefits of using Torco SR-5R Racing Oil?

Torco SR-5R is designed to outperform standard synthetics in competitive environments.

• Increase Horsepower & Torque: Proven to maximize output by as much as 4% by reducing internal frictional losses.
• Extreme Temperature Stability: Engineered to withstand constant severe heat without breaking down.
• Maximum Wear Protection: Provides a superior boundary layer for engine components during maximum RPM revolutions.
• Cooler Engine Temps: Advanced thermal management helps reduce overall engine operating temperatures.
• Versatile Formulations: Available in various viscosities to suit everything from Pro Stock drag racers to high-performance European imports.

SR-5R Viscosity Guide: Choosing the Best Grade for Your Build

Selecting the correct SAE grade is critical for optimizing ring seal and oil pressure.

SR-5R SAE 0W-20 & 5W-30

• Best For: Maximum qualifying power and high-RPM import or sport compact engines.
• Common Uses: Winston Cup, Busch, Pro Stock (drag racing), and turbocharged sport imports.

SR-5R SAE 5W-40

• Best For: Dual-duty vehicles used for both high-performance street and competition use.
• Common Uses: Road racing, circle track, and modern hot rods. Turbo and supercharger approved.

SR-5R SAE 5W-50 & 20W-50

• Best For: Large displacement "big bore" engines and applications using alternative fuels.
• Common Uses: Sprint cars, endurance racing, and off-road. Optimized for Nitrous, Alcohol (injected or carbureted), and Methanol applications.

SR-5R SAE 10W-60

• Best For: European high-performance engines and extreme endurance racing.
• Common Uses: Specifically recommended for BMW engines requiring a 10W-60 grade and engines operating at continuous extreme temperatures.

Technical Specifications & Performance