Driven Racing Oil HR-1 conventional high performance motor oil is the perfect choice for big block muscle cars and blown street rods. It offers excellent high-temperature protection and is good for loose bearing clearances. Driven Racing Oil HR-1 conventional high performance motor oil uses the same oil additive technology developed for the US military for storing and shipping combat equipment. This oil protects against rust and corrosion, even when your engine isn’t running! Featuring a higher zinc level than traditional passenger car oils, Driven Racing Oil HR-1 conventional high performance motor oil delivers proper anti-wear protection for older-style pushrod and flat-tappet engines. HR-1 is formulated using superior camshaft wear protection chemistry.

• Typical viscosity of 15W-50
• ZDDP anti-wear additives
• Military Spec Storage Protection
• Starter protection additives
• Excellent Seal Compatibility