Aluminum Brake Proportioning Valve Bleeder Tool GM Style Combination Valves Compatible with DISC/DISC and DISC/DRUM PV2 & PV4 AC Delco 172-1353 172-1371 Black This brake proportioning valve bleeder tool is constructed from lightweight, durable aluminum. It is suitable for all popular non-adjustable GM type combination valves. It is used to lock the low pressure exhaust valve, enabling the braking system on PV2/PV4 to exhaust quickly and easily. It is specially designed for the CPP proportional valve to prevent the combined valve from tripping. It is also compatible with AC Delco 172-1353 and AC Delco 172-1371 ???? Not sure if it fits? We've got you covered. Double-check with us and get peace of mind. No guesswork, no surprises.
