New Master Cylinder for Moraine Unit, 1962 Oldsmobile 88, 98, Starfire New replacement master cylinder for Moraine power brakes on 1962 Oldsmobile 88, 98 and Starfire models. This master cylinder does not include the piston or oushrod; on 1962 Moraine brake booster equipped cars, these are part of the booster assembly. Master cylinder uses two mounting bolts where it attaches to the brake booster.