
We are open and actively processing orders, however, please note some products may not be available or may take longer than normal to arrive due to the COVID-19 virus. All KeyParts ground shipped products are shipping 21 to 30 business days after placing your order, all Truck Freighted (large and heavy) items are shipping 10 business days after placing your order.
American Autowire products are shipping 8 weeks after placing your order. Brake Parts typically ship the same day or next day.
GMC Motor Homes 1973-1977 with
disc/drum brake setup Brake Proportioning Valve
Our GMC Brake Proportioning Valve comes with a 1 year warranty.
For use on Disc/Drum Setup Only
Our brake proportioning valve has a 9/16"-18 connection for Rear Brakes & Dual 3/8"-24
ports for the front brakes.
The connections from the Master Cylinder are 1/2"-20 and 7/16"-24.
This valve comes with the correct sensor connector.
This valve comes with a 1 year warranty.
We also offer a prop
valve bleeding tool in the related items section of this page.
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