Detroit Speed 9" Booster Assembly - 67-72 C10

The Detroit Speed brake booster and master cylinder kit gives your brake system a late model performance pedal feel. This kit is a direct bolt-on and is designed to work with any stock or after-market brake system. The kit comes with the 9" diameter booster, master cylinder with reservoir, mounting brackets, and brake hardline fittings. Note: 10-12 in-Hg minimum vacuum requirement.


  • Brake Booster and Master Cylinder Kit for 1967-1972 C10 Trucks – Provides Late Model Performance Pedal Feel
  • Brake Booster Style and Size: Dual Diaphragm 9” Diameter with Black Finish
  • Master Cylinder Material: Aluminum with As-Cast Finish
  • Master Cylinder Bore Size: 1.0”
  • Hardline Fitting Size: M12 x 1.0 Inverted Flare Male – Use with 3/16” Hardlines - (2) Fittings Included
  • Minimum Engine Vacuum Requirements: 10-12 in-Hg
  • White Translucent Plastic Fluid Reservoir with Low Fluid Level Sensor (optional use) – for Easy Visual Fluid Level Inspection without Removing the Cap
  • Mounting Brackets, Fasteners, Fittings, and Clevis Included for Easy Bolt-In Installation
  • Works with Factory or Any After-Market Brake Systems

Adapter Size ( A ) M12 x 1.0 I.F. Male
Brake Booster Diameter (in) 9
Brand Detroit Speed
Emission Code 6
Fittings Included Yes
Master Cylinder Bore Size (in) 1
Master Cylinder Material Aluminum
Product Type Brake Booster and Master Cylinder
UPC 090127171868
Part Number 050110DS