Muscle Car Research LLC is a small, family-owned business located in northern Virginia (USA) that's focused on providing parts and services for the American muscle car hobbyist. Our mission is to bring you the highest quality parts and services at competitive prices.
The Muscle Car Research web site uses an online shopping cart system that allows you to select and pay for products online. Look for the "Add to cart" button on each product page - it lets you select a single item to be purchased. When you click on this button the item gets added to a virtual "shopping cart", which keeps track of all of the items that you'd like to buy. After adding your items to your shopping cart you can click on the "Checkout" button to provide your billing, shipping, and payment information.
If you've ever placed an order through the Muscle Car Research online store you should be able to access your order history here. You can login to this site using the email address from your last order as your user name; you will probably have to use the "Request new password" link to reset your password. You can change your user name once you get in. Please contact me if you don't remember the email address you used with your order.
This Kelsey-Hayes combination brake valve was removed from a 1995 Chevrolet Caprice. According to my parts catalog the original applications include 1994, 1995, and 1996 GM B-bodies (Buick Roadmaster, Chevrolet Caprice, and Chevrolet Impala SS) and 1993 - 1996 GM D-bodies (Cadillac Fleetwood Brougham) with anti-lock brakes. The original GM part number for this valve is 10223533; that number is stamped on the body of the valve. The AC Delco part number is 172-2104. You can click on the pictures below to see larger versions of the images.
A customer recently asked me if I had a rebuild kit for the Bonaldi proportioning valve used on his de Tomaso Pantera. I didn't then, but I do now! As usual, I've also written articles that describe how to disassemble and rebuild the valve. Here are the links: