Chevs of the 40s » Chevy Parts » Brakes » Master Cylinder » Item #EC-655 Brakes, Residual Valve 10 Lbs. Pressure 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. 2 psi valve used can be used as an anti-siphon valve in a disc brake system. Install the residual pressure valve in the brake line as close to the mater cylinder as possible. The inlet end has a 1/8" pipe thread while the outlet is a 1/2"-20 thread and an inverted flare seat. 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. Price: $38.25 EA Qty: Add to Cart This product can expose you to a chemical, which is known to the State of California to cause cancer or reproductive harm. For more information go to www.P65Warnings.ca.gov CA Prop 65 Warning This product can expose you to a chemical, which is known to the State of California to cause cancer or reproductive harm. For more information go to www.P65Warnings.ca.gov Reviews There are no reviews at this time Login to Write A Review Fits Vehicle Models Product Fits Vehicle Models There are no specific vehicles models specified for this part.