Aluminum One Way Check Valve with -6an Male Fittings TThese Speedmaster aluminum pulleys are

TThese Speedmaster aluminum pulleys are made from a 356 aluminum alloy that is heat-treated to T-6 specs

and outstanding performance for muscle car

TJ Wranglers - RT Offroad - RT28099

the IAC valves adjust the airflow to improve motor idling

thus reducing the transmission temperatures for optimum performance

Aluminum One Way Check Valve with -6an Male Fittings TThese Speedmaster aluminum pulleys areSpeedmaster one way check valves are designed to prevent the back flow of any fuel, coolant, or oils. Their design provides minimal flow restriction, and the high quality construction of the Speedmaster one way check valves ensures long lasting performance.