Royal Purple XPR Extreme Performance Racing Synthetic Motor Oil - 20W50 - 1 Quart (Case of 6) LK22174 500" outer diameter valve spring

500" outer diameter valve spring like our 984

Magnetic Deck Checker

Lifetime Warranty

Peterson Spline Drive

MAP Sensor Plug

Royal Purple XPR Extreme Performance Racing Synthetic Motor Oil - 20W50 - 1 Quart (Case of 6) LK22174 500" outer diameter valve springRoyal Purples XPR (Extreme Performance Racing) synthetic motor oil is specifically formulated for the demands of multi platform racing environments. XPR is popular in a variety of motorsports including: NASCAR, NHRA, World of Outlaws and Bonneville Salt Flats. Royal Purples premium synthetic motor oil and synthetic lubricants have been designed to improve performance in all conditions and provide cleaner operation, better mileage and decreased oil