Thank you for your 5 star rating of 1971-77 GM Disc/Drum Proportioining Valve. We appreciate your positive feedback and your willingness to recommend us to other shoppers. We are committed to providing great quality products and excellent customer service. Thank you again!
“The reason I purchased this replacement valve was because my 2 year old original leaked at the valve area so I used the new valve internals into the body of your original and it solved the problem. The rubber boot on the plunger appeared worn or shrunken after a very short service life. Let’s hope this one lasts longer”
