Item # EC-650
Inline residual pressure valves are required when using master cylinders without internal residual valves or in the drum brake circuit of a disc/drum system using a 2 psi valve. Can be used as an anti-siphon valve in a disc brake system.
***Port size: one end is 1/8 the other it 1/2-20***
This part fits most Cars and Trucks.; exceptions may apply. Please read the complete description to see if this part fits your specific vehicle and application.