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Vehicle Info Needed9 in. Power Brake Booster - Dual Diaphragm
Ships on 11/18/2026
Lowest Price Guarantee- 9 in. Power Brake Booster
- Dual Diaphragm
- Y7 Rod Kit
- Black Powder Coat
Improve Your Braking Power
Tuff Stuff Power Brake Boosters are a combination of quality, fitment, and all-new components that are tested and manufactured in the USA. Single and dual-diaphragm boosters (ranging from 7 to 11-inch diameters) are available in chrome-plated, gold zinc, and a variety of other color finishes and include 3/8 in.-16 mounting studs and nuts where applicable. Most booster rods have a 3/8 in.-24 fine thread and work with stock brackets and Tuff Stuff bracket kits (sold separately). Power Brake Boosters are sold individually or as a Brake Booster/Master Cylinder combo.
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Brake Booster/Master Cylinder Combos: Specific-fit applications are available in chrome plated, gold zinc, or black powder-coated finishes. Universal-fit applications are offered in a chrome-plated or gold zinc finish and include 3/8 in.-16 mounting studs and nuts. Every unit is vacuum tested to ensure reliability and works with your stock mounting bracket set-up and with Tuff Stuff bracket kits (sold separately). 1 in. and 1-1/8 in. master cylinder bores work with disc/disc, disc/drum, and drum/drum brake set-ups.
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