Royal Purple High Performance Synthetic Motor Oil -SAE 10W-30 - 1 Gallon Jug Radiator Support Panel 1986-1990 GMC C2500

1986-1990 GMC C2500

8-10 mm Wire

Motor draws only 4 Amps current

C-357-B TRIPLE-DEUCE (IDLE-5500 RPM) Designed for 1955-86 262-400 c

Royal Purple High Performance Synthetic Motor Oil -SAE 10W-30 - 1 Gallon Jug Radiator Support Panel 1986-1990 GMC C2500Royal 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.