Mustang II Power Booster with Proportioning Valve Kit


This booster master cylinder kit includes everything needed and bolts directly to the firewall. It will move the booster and master cylinder up 1’’ for extra valve cover clearance. Featuring a Wilwood master cylinder and proportioning valve. Please specify application: disc/drum or disc/disc combination brakes.

I’m running a 4.6 Coyote MOD and need the custom booster bracket: * 

This is a must for the MOD applications and won’t work otherwise.

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Shipper’s Declaration: * 

All items ship depending on availability. If you have made a purchase or are considering a purchase please understand that if you have selected any shipping method other than “Ground” , i.e. (next day air, 2nd day air, 3rd day air) your order will not arrive on time if the item is not available to ship. To be 100% certain your item will ship in the aforementioned time frame should you choose anything but “Standard Ground” please call us at 800-525-0091 to check item availability even if the item is listed as “In Stock”. If you choose any method but “Standard Ground” and haven’t contacted us to confirm availability understand your order will ship out per the method you chose at checkout when the item becomes available. If you have any further questions please call us. Thank you for your patience during this time.



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

Additional information

Weight 18 lbs
Dimensions 20 × 12 × 12 in
Make Model Year
Ford Calienta 1960 - 1977
Ford Cougar 1964 - 1973
Ford Fairlane 1962 - 1970
Ford Falcon 1960 - 1971
Ford Maverick 1970 - 1977
Ford Mercury Comet 1960 - 1977
Ford Mercury Cyclone 1966 - 1971
Ford Mercury Montego 1966 - 1971
Ford Mustang 1964 - 1973
Ford Rambler 1966 - 1969
Ford Ranchero 1960 - 1971
Ford Torino 1966 - 1971
Ford Wagon 1960 - 1965

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