Proportioning and Combination Valve, AC Delco 172-1353 & 172-1361 Brakes:2 wheel disc This kit lowers the rear

This kit lowers the rear of your coil spring truck up to 2" without affecting your ride quality

Shock Absorbers

Limited Lifetime Warranty

These power brake booster kits greatly increase your stopping performance while making it easier on the driver

Proportioning and Combination Valve, AC Delco 172-1353 & 172-1361 Brakes:2 wheel disc This kit lowers the rearThese GM combination proportioning valves are based on the popular AC DELCO 172 1353 (PV2) 2 wheel disc and 172 1361 (PV4) 4 wheel disc valves. When upgrading your vehicle from drum to disc, these small items are a must. These components ensure proper fluid transfer and contain a residual pressure valve for proper braking feel. All valves contain a low pressure shut off valve and warning light switch to ensure driver and vehicle safety should your