1.Compatible with all popular non-adjustable GM type combination valves.
2.Used to lock the low pressure exhaust valve, so that the braking system on PV2/PV4 can exhaust quickly and easily
3.High-quality materials and durable
4.Specially designed for CPP proportional valve to prevent the combined valve from tripping
Description
Brake Proportioning Valve Bleeder Tool, specially designed for CPP proportional valve, can prevent combination valve from tripping, compatible with DISC / DISC and DISC / DRUM PV2 and PV4, suitable for AC Delco 172-1353, 172-1371.