Royal Purple High Performance Synthetic Motor Oil - SAE 5W-20 - 1 Gallon Jug Helmet Rubber Molding Kit This allows the power valve

This allows the power valve to see only positive pressure at Wide Open Throttle

Late Big Ford 9 in

35"") for spacing of aluminum power steering pump bracket

GM F-Body 1967-69

Royal Purple High Performance Synthetic Motor Oil - SAE 5W-20 - 1 Gallon Jug Helmet Rubber Molding Kit This allows the power valveRoyal 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.