XPR SAE 10W40 is a synthetic oil capable of enduring long periods of extreme heat without breakdown. Viscosity is typical of a 10W40 oil.
Royal Purple Extreme Performance and Racing (XPR) Motor Oil is the only engine oil with Synerlec, a superior lubricating ingredient which clings to all critical engine parts, creating less friction than any other petroleum or synthetic lubricant. Improved horsepower and longer engine life can be expected with this revolutionary lubrication product.
Motor Oil - Extreme Performance Racing - 10W40 - Synthetic - Qt Bottle - Part Number: 01041 (Qt) and 06041 (Case of 6 Qts)