Brake Proportioning Valve Bleeder Tool, Valve Bleeding Tool Compatible with GM Combination Valves, PV2 PV4, Disc/Disc Disc/Drum 172-1353 172-1371 (Blue) | Compatible with GM Combination Valves, PV2 PV4, Disc/Disc Disc/Drum 172-1353 172-1371 Color: Blue Brake proportioning valve bleeder tool, designed for non-adjustable GM style combination valves, 172-1353, 172-1371, Disc/Disc and Disc/Drum PV2 PV4.
