Dual Diaphragm Stainless Booster Master Cylinder Combo
Universal Fit, Vacuum Diaphragm Dual Brake Booster Type, 7 Inch Brake Booster Diameter, Chrome
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These show-quality brake combos come with a 7" dual diaphragm stainless steel booster and a chrome master cylinder with a 1" bore and dual 3/8"-24 IFF outlets (on both sides). Includes plugs for unused ports.
Suitable for use with front disc/rear drum brake systems.
Booster Tech Tip (GIF)
Brake System Builder's Tip (Link)
Learn more about selecting the proper master cylinder for your vehicle by reading our tech article. Brake System Selection.
- 5" thick from master cylinder mount face to firewall mount face
- 4" long firewall mount face to end of pushrod
- Four stud pattern is square pattern with 3-3/8" stud centers
- Pushrod stud is 3/8" fine thread
- Master cylinder studs are two studs across from each other on 3-3/8" centers
What's In The Kit
Speedway Dual Diaphragm Power Brake Booster, 7 Inch, Stainless SteelPart # 91031460Qty x 1
Chrome Power Brakes Master CylinderPart # 91031446Qty x 1
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Q & A
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!
Tim demonstrates the brake assembly with a Wide 5 drum brake and Speedway's new self-energizing backing plate.
Tim explains the process of adjusting Buick Finned Drums to fit Speedway's self-energizing backing plate assembly.