1955-64 GM Master Cylinder for Drum Brakes
55-64 Buick, 55-64 Chevy, 55-64 Oldsmobile, 55-64 Pontiac, Firewall Position, Natural
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This is an OEM type single reservoir master cylinder for many 1955-1964 Chevy applications with original drum brakes. Has a 1" bore and a 7/16"-24 IFF outlet port. Not for use with disc brakes.
Learn more about selecting the proper master cylinder for your vehicle by reading our tech article. Brake System Selection.
Catalog Correction: This unit has a 7/16" outlet, not a 3/8" port as stated in our catalogs.
- 7/16"-24 IFF outlet
- Bolt spacing for attachment is 3.390 or 3-3/8”
- Piston has a 1-5/8” dish or bore for the pushrod
- Overall Length: 5-7/8"
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Q & A
Anytime you purchase a new master cylinder, it's important to remove all the air before installing it. Here is a very helpful video tutorial that will show you how to bench bleed a new master cylinder.
Tim talks about brake booster adjustment.
Speedway Motors employee Pat O. talks about the CPP Hydroboost Brake System.
Tim talks about why using a new pedal assembly may be better for your project than the original pedal assembly.
After getting the control arms and drop spindles installed last time, we are dying to see what it looks like on the ground. Today we are working with the Speedway Deluxe Disc Brake Kit. Josh and Joe are on a roll!