Mustang II Power Booster/Proportioning Valve Kit


Complete as shown. This booster master cylinder kit gives you everything needed and bolts directly to the firewall. It will move the booster and master cylinder up 1’’ for extra valve cover clearance. It comes with all hardware, pedal rod, and instructions. We use Wilwood master cylinders and proportioning valves. Please specify whether using disc/drum or disc/disc combination brakes.

SKU: RC-138 Category:



Note: Minimum 16’’ of vacuum required at engine idle for correct booster operation!

Additional information

Weight 18 lbs