Shuttle valve piston seal for use on Bendix Airpac brake booster models M135 and M211 as used on military vehicles and heavy duty trucks. This seal is for use with our modified piston (BRK-0066). Your housing will need to be bored to 1″ in order to use this part.
Material: Rubber
Finish: Natural
OD: 1.043
ID: .568, .896
Height: .285
Thickness: .070
