AMERICAS RACING OIL is recommended for high-performance gasoline engines as well as those burning full or partial alcohol fuelsSPECIAL FRICTION MODIFIERS help minimize friction, keeping heat at bay for maximum power and torque at high RPMs.2X MORE ZINC FOR EXTREME WEAR PROTECTIONfor even greater film strength and anti-wear protection on critical engine components such as pistons, cams and bearingsENHANCED ANTI-FOAM AGENTS SAFEGUARD CRITICAL PARTSin high speeds and extreme conditionsPHOSPHORUS FORMULA is engineered specifically for modern and classic high-performance engines both on and off the track, which includes flat-tappet and performance cam motors.AMERICAN MADE & FORMULATED to maximize your engines life and improve its performance