1) This is a universal combination valve, an exact copy of the original.

2) AC Delco style proportioning-combination valve in brass. Carry individual proportioning valves for your customized application. These combination-proportioning valves are based on the popular AC Delco 172-1353 (disc-drum) and 172-1361 (disc-disc) valves.

3) When upgrading your vehicle from drum to disc, these small items are a must.

4) These components ensure proper fluid transfer and contain a residual pressure valve for a proper braking feel.

5) The valve contains a low-pressure shut-off valve and warning light switch to ensure driver and vehicle safety should your brake system lose hydraulic line pressure.

6) Aftermarket imported master cylinders with built-in adjustable proportioning valves DO NOT feature this and could put you and your vehicle at risk.

7) Package Includes: As shown in our pictures.

This Item Doesn't Come With Installation Guides. We Highly Recommend Professional Installation.