Fits GM Universal Cast Iron Master Cylinder MC1321H AN Shutter wheel is pinned and

Shutter wheel is pinned and welded to distributor shaft for superior reliability

4L GT500 Supercharged 4V engine and/or equivalent intake

2 V8 1955 GMC 250 288/4

one windshield mounted footman loop

4L V8 1977 - 1987 Ford E-350 Econoline Club Wagon 460/7

Fits GM Universal Cast Iron Master Cylinder MC1321H AN Shutter wheel is pinned andProduct DescriptionGM Universal Corvette style Cast Iron 1" Bore Master Cylinder. 9 16" & 1 2" Ports on Both Sides; Exact Copy of Original; Master Cylinder has a piston adaptor that will allow for power or manual applications For Disc Drum or Drum Drum Applications. (Note: if you are running Drum Drum you will also need a metering valve PVM)