DRIVEN Joe Gibbs JGR00906 00907 XP5 20W-50 Semi-Synthetic Racing Motor Oil - 1 Quart Bottle, Case of 12 Handy 10 quart jugs, it save up to 5 per cent compared to single quart bottles XP5 provides better high temperature shear and oxidation stability compared to conventional racing oils without the higher cost of a full synthetic XP5 delivers high zinc protection in a semi-synthetic formula Ideal for Dirt Late Models, IMCA Modified, Off-Shore Marine racing engines and blown racing engines XP5 can run multiple races on alcohol or race gas before needing to be changed, the oil filter should be changed and top off the oil level after each race