Item # EC-655
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 4 wheel disc brake master cylinder. 10 psi valve used for drum brake systems only. 10 psi valve is not required in a disc/drum system when using EC-526 proportioning valve.
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.