10W40 Extreme Performance (XPR) Royal Purple Racing Oil (1Qt/946mls) BOX OF 6 TEX3403 6 1977-1979 (Rear)

6 1977-1979 (Rear)

Accuracy within

Transistor test (NPN & PNP)

- 2-step speed control

10W40 Extreme Performance (XPR) Royal Purple Racing Oil (1Qt/946mls) BOX OF 6 TEX3403 6 1977-1979 (Rear)BOX OF 6 Royal Purple XPR (Extreme Performance Racing) oils are recommended for use in various racing applications, and are popular in a variety of motorsports including: NASCAR, NHRA, World of Outlaws and Bonneville Salt Flats. Contains Royal Purples proprietary Synerlec additive technology. PERFORMANCE ADVANTAGES Greater wear protection on startup Increased horsepower Extends equipment life No flushing required when switching from other synthetic