Driven Racing Oil XP3 provides outstanding high temperature and high shear protection. Utilizes select synthetic base oils for increased durability at high temperatures. Formulated with proprietary anti-wear and friction reducing additives to fight valve train wear and increase horsepower. Ideal for crate, spec and custom built engines with clearances under .0027". Compatible with methanol and high octane race fuels. Viscosity typical of 10W-30.