Royal Purple High Performance Synthetic Motor Oil - 5W20 -5 Quarts (Case of 3) 23-FLX-W-L Patent pending design that solves

Patent pending design that solves the problems associated with traditional fuel pick-ups in stock fuel tanks as well as racing fuel cells

No CARB Exemption Order NumberOriginally designed with NASCAR in mind

but can also increase the mid range torque in applications were there is room to fit a long tube design

1-1/2-16 in Thread

a must for titanium valves

Royal Purple High Performance Synthetic Motor Oil - 5W20 -5 Quarts (Case of 3) 23-FLX-W-L Patent pending design that solvesRoyal Purple(R) Motor Oil delivers superior protection and improves performance in four cycle gasoline and diesel engines. It increases horsepower and torque, saves fuels and reduces heat, wear and emissions. It has unsurpassed oxidation stability that allows for extended oil drains and fewer oil changes, which saves you time and money and reduces the impact on the environment. Royal Purple's motor oils for passenger cars and trucks are API licensed.