Proportioning Valve Bleeder Tool, Bleeder Tool Combination Valves Compatible with DISC/DISC and DISC/DRUM PV2 & PV4 AC Delco 172-1353, 172-1371, GM Combination Valves electronics_update_2023 anti-overvoltage

anti-overvoltage

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Proportioning Valve Bleeder Tool, Bleeder Tool Combination Valves Compatible with DISC/DISC and DISC/DRUM PV2 & PV4 AC Delco 172-1353, 172-1371, GM Combination Valves electronics_update_2023 anti-overvoltageProportioning Valve Bleeder Tool, Bleeder Tool Combination Valves Compatible with DISC DISC and DISC DRUM PV2 & PV4 AC Delco 172 1353, 172 1371, GM Combination Valves Designed for Quick and Easy Brake System Exhaust Designed to lock low pressure cutoff valves for fast and effortless brake system exhaust. When used in conjunction with the CPP proportioning valve, it prevents the combination valve from tripping. Easy to use Simply remove the brake