• A SAE 15W-50, petroleum version of our original formula race oil
• XP4 offers lower cost protection for dirt and alcohol fueled engines that change oil after every race to prevent dirt and/or alcohol contamination
• Compatible with methanol and high octane race fuels

Recommended applications:

• Big block dirt late model V-8s
• Sprint and Midget engines
• Other race engines with main and rod bearing clearances over .0030
• Viscosity typical of a SAE 15W-50