Royal Purple High Performance Synthetic Motor Oil -SAE 10W-30 - 1 Gallon Jug Sprint Car Gauges & Gauge Panels These cylinder heads are sold

These cylinder heads are sold in pairsSince 1938

Brass / Zinc

Signature Series Tall Profile valve covers will not clear stud girdles due to breather baffle interference

Landrum Performance Spring

2 Light Mounting Tabs

Royal Purple High Performance Synthetic Motor Oil -SAE 10W-30 - 1 Gallon Jug Sprint Car Gauges & Gauge Panels These cylinder heads are soldRoyal 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.