Conroy Pneumatic Bleeder Kit for Winters L/W Axle, 1.875"

Diaphragm Bleeder Kits work on the same principal as a high-speed bypass. Preset spring pressure against a diaphragm controls the amount of air that passes through the port. It releases air instantly in a 360° pattern. No compensation or guesswork is required. Repeats within 2/10 of a pound. Using four different springs, unit has a range of two to thirty pounds.