Royal Purple HPS High Performance Street Synthetic Motor Oil - 5W30 - 1 Quart (Case of 6) 110012 These are specially designed for

These are specially designed for machine use featuring a left helical right cutting design

Clutch linkage binding is eliminated

For more aggressive street rods and muscle cars

1921 Q-Jet Rebuild kit

Royal Purple HPS High Performance Street Synthetic Motor Oil - 5W30 - 1 Quart (Case of 6) 110012 These are specially designed forRoyal Purple HPS Series motor oil is specifically formulated to maximize performance and meet the demands of high performance and modified engines. HPS is high performance street motor oil recommended for vehicles no longer under manufacturer warranty and for those seeking a higher level of performance and protection. Royal Purples premium synthetic motor oil and synthetic lubricants have been designed to improve performance in all conditions and