The RE-6 Relay Valve is a versatile and practical replacement for the Bendix RE-6 Relay Valve, featuring a 4 port delivery and dual function design for use on trailers, pre-FMVSS-121 vehicles, and off-road applications. With a 3/8" PT supply, (2) 3/8" PT and (2) 1/4" PT delivery, and 1/4" PT service, this valve offers reliable performance. It also provides international emergency application pressure of 5 +/- 5 PSI and a maximum emergency release pressure of 95 PSI. Sold individually, this valve fits most makes and models, making it a convenient and efficient choice for various vehicles.