LEED Brakes - Power Brake Booster Kits

Master Cylinders & Power Boosters - Power Brake Booster Kits

Power Brake Booster Kits for Classic Cars & Trucks

Enhance your vehicle’s braking performance with LEED Brakes’ premium power brake booster kits. Whether you're performing a restoration or upgrading for safety and drivability, our complete brake booster and master cylinder kits are engineered to deliver improved stopping power, better pedal feel, and reliable performance for a wide range of classic vehicles.

Our brake booster kits are designed as direct-fit solutions for:

  • 1964–73 Ford Mustang, Fairlane, and Cougar
  • 1961–72 Ford Galaxie
  • 1962–74 GM A, F & X Body cars – including Chevrolet Camaro, Chevelle, Nova, Pontiac Firebird, Oldsmobile Cutlass, and Buick Skylark
  • 1966–72 Chevrolet C10 Trucks
  • 1957–72 Ford F100 Trucks

Whether you're searching for a brake power booster kit, a complete brake booster and master cylinder combo, or a full power brake conversion kit, LEED Brakes offers bolt-on solutions with no cutting or welding required. Each kit is built with high-quality components and includes a master cylinder, optional proportioning valve, and hardware where applicable.

Why Choose LEED Brakes?

  • Available in 7" and 8" dual diaphragm brake booster options
  • Supports both disc/drum and 4-wheel disc brake setups
  • Seamless bolt-on installation
  • Compatible with many factory and aftermarket applications
  • Trusted aftermarket brake booster solutions backed by excellent support

Our power brake booster and master cylinder kits are ideal for anyone looking to add modern stopping power to their vintage vehicle. From booster master cylinder combos to full power brake booster conversion kits, LEED Brakes delivers performance you can trust.

Browse our selection below to find the best brake booster kit for your classic car or truck.

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Master Cylinders & Power Boosters - Power Brake Booster Kits - Power Booster Only
Power Booster Only Upgrade to power brakes or replace your old, worn-out power brake booster with a new unit from LEED Brakes. We offer an extensive variety of power brake boosters and brake...More Details »
Master Cylinders & Power Boosters - Power Brake Booster Kits - Power Brakes - 4 Wheel Drum Brakes
Enhance your vehicles braking by adding a LEED Brakes' power brake booster to your vehicle's 4 wheel manual drum brakes!  Our power drum brake booster systems are designed to provide the...More Details »
Master Cylinders & Power Boosters - Power Brake Booster Kits - Power Brakes - Front Disc / Rear Drum Brakes
Add power brakes to your front disc & rear drum brake vehicle. LEED Brakes offers a variety of power booster diameters and master cylinder bore sizes to suite your needs. Not sure what size...More Details »
Master Cylinders & Power Boosters - Power Brake Booster Kits - Power Brakes - 4 Wheel Disc Brakes
Upgrade to Power Brakes for 4-Wheel Disc Brake Systems Enhance your vehicle’s braking performance with LEED Brakes’ power brake booster and master cylinder kits. Whether you're...More Details »

Power Brake Booster Kits Featured Products

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Items 1-60 of 85
Camaro, Firebird
Description: New zinc plated 7" dual diaphragm power brake booster kit with master cylinder. This 7" power booster is hand polished before a yellow zinc finish is applied for a top quality finish. The top...More Details »
Item #: PBKT1001
Condition: New
Price: $314.95

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Camaro, Firebird
Description: New 7" Dual Diaphragm zinc plated power brake booster, master cylinder & Adjustable Proportioning Valve. This 7" power brake booster kit is hand polished before a yellow zinc finish is applied for...More Details »
Item #: PBKT1005
Condition: New
Price: $354.95

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Camaro, Firebird
Description: New 7" Dual Diaphragm zinc plated power brake booster, master cylinder & disc/drum proportioning valve combo. This 7" brake booster is hand polished before a yellow zinc finish is applied for a top...More Details »
Item #: PBKT1002
Condition: New
Price: $389.95

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Camaro, Firebird
Description: New 7" Dual Diaphragm zinc plated power brake booster, master cylinder & 4 Wheel Disc proportioning valve combo. This 7" power booster is hand polished before a yellow zinc finish is applied for a...More Details »
Item #: PBKT1003
Condition: New
Price: $389.95

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Camaro, Firebird
Description: New 7" Dual Diaphragm zinc plated power brake booster, master cylinder. This 7" brake booster is hand polished before a yellow zinc finish is applied for a top quality finish. The top quality power...More Details »
Item #: PBKT1006
Condition: New
Price: $314.95

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Camaro, Firebird
Description: New 7" Dual Diaphragm zinc plated power brake booster, master cylinder & 4 Wheel Disc proportioning valve combo. This 7" power booster kit is hand polished before a yellow zinc finish is applied...More Details »
Item #: PBKT1008
Condition: New
Price: $389.95

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Camaro, Firebird
Description: New 7" Dual Diaphragm zinc plated power brake booster, master cylinder & disc/drum proportioning valve combo. This 7" power booster kit is hand polished before a yellow zinc finish is applied for a...More Details »
Item #: PBKT1007
Condition: New
Price: $389.95

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Camaro, Firebird
Description: New 7" Dual Diaphragm zinc plated power brake booster, master cylinder & Adjustable Proportioning Valve. This 7" power brake booster and master cylinder is hand polished before a yellow zinc finish...More Details »
Item #: PBKT1010
Condition: New
Price: $354.95

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GM F Body
Description: New 7" Dual Diaphragm chrome plated power brake booster. This 7" power brake booster is hand polished before a chrome finish is applied for a top quality finish. The GM F-body power brake booster...More Details »
Item #: PBKT1011
Condition: New
Price: $334.95

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GM F Body
Description: New 7" Dual Diaphragm chrome plated power brake booster and master cylinder kit for GM F-body vehicles. This 7" power booster is hand polished before a chrome finish is applied for a top quality...More Details »
Item #: PBKT1012
Condition: New
Price: $409.95

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GM F Body
Description: New 7" Dual Diaphragm chrome plated power brake booster, master cylinder & adjustable proportioning valve combo. This 7" power booster is hand polished before a chrome finish is applied for a top...More Details »
Item #: PBKT1016
Condition: New
Price: $454.95

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GM F Body
Description: LEED Brakes' 7 inch dual diaphragm chrome-plated power brake booster, master cylinder & disc/drum proportioning valve kit. This 7" power booster is hand polished before a chrome finish is applied...More Details »
Item #: PBKT1013
Condition: New
Price: $489.95

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GM F Body
Description: New 7" Dual Diaphragm chrome plated power brake booster, master cylinder & disc/disc proportioning valve combo. This 7" power booster is hand polished before a chrome finish is applied for a top...More Details »
Item #: PBKT1014
Condition: New
Price: $489.95

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GM F Body
Description: New 7" Dual Diaphragm chrome plated power brake booster, master cylinder. This 7" brake booster and master cylinder is hand polished before a chrome finish is applied for a top quality finish. The...More Details »
Item #: PBKT1017
Condition: New
Price: $408.95

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GM F Body
Description: New 7" Dual Diaphragm chrome plated power brake booster, 1" bore master cylinder & Adjustable Proportioning Valve combo. This 7" power booster is hand polished before a chrome finish is applied for...More Details »
Item #: PBKT1021
Condition: New
Price: $448.95

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GM F Body
Description: New 7" Dual Diaphragm chrome plated power brake booster, master cylinder & disc/drum proportioning valve combo. This 7" power booster is hand polished before a chrome finish is applied for a top...More Details »
Item #: PBKT1018
Condition: New
Price: $489.95

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GM F Body
Description: New 7" Dual Diaphragm chrome plated power brake booster, master cylinder & disc/disc proportioning valve combo. This 7" power booster and master cylinder kit is hand polished before a chrome finish...More Details »
Item #: PBKT1019
Condition: New
Price: $489.95

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GM F Body
Description: New 7" Dual Diaphragm chrome plated power brake booster and master cylinder. This 7" power booster is hand polished before a chrome finish is applied for a top quality finish. The top quality power...More Details »
Item #: PBKT1022
Condition: New
Price: $356.95

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GM F Body
Description: New 7" Dual Diaphragm chrome plated power brake booster and master cylinder with Adjustable Proportioning Valve combo. This 7" brake booster is hand polished before a chrome finish is applied for a...More Details »
Item #: PBKT1026
Condition: New
Price: $398.95

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GM F Body
Description: New 7" Dual Diaphragm chrome plated power brake booster, master cylinder & disc/drum proportioning valve combo. This 7" power booster is hand polished before a chrome finish is applied for a top...More Details »
Item #: PBKT1023
Condition: New
Price: $429.95

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GM F Body
Description: New 7" Dual Diaphragm chrome plated power brake booster, master cylinder & disc/disc proportioning valve combo. This 7" power brake booster and master cylinder is hand polished before a chrome...More Details »
Item #: PBKT1024
Condition: New
Price: $439.95

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GM F Body
Description: New 7" Dual Diaphragm chrome plated power brake booster and master cylinder. This 7" power booster is hand polished before a chrome finish is applied for a top quality finish. The top quality power...More Details »
Item #: PBKT1027
Condition: New
Price: $349.95

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GM F Body
Description: New dual diaphragm 7" chrome power brake booster and master cylinder with Adjustable Proportioning Valve combo. This 7" power booster is hand polished before a chrome finish is applied for a top...More Details »
Item #: PBKT1031
Condition: New
Price: $398.95

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GM F Body
Description: New 7" Dual Diaphragm chrome plated power brake booster, master cylinder & disc/drum proportioning valve combo. This 7" power brake booster is hand polished before a chrome finish is applied for a...More Details »
Item #: PBKT1028
Condition: New
Price: $429.95

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GM F Body
Description: New 7" Dual Diaphragm chrome plated power brake booster, master cylinder & disc/disc proportioning valve combo. This 7" brake booster is hand polished before a chrome finish is applied for a top...More Details »
Item #: PBKT1029
Condition: New
Price: $439.95

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Camaro , Firebird
Description: New 8" zinc plated dual diaphragm power brake booster. This 8" power booster is hand polished before a yellow zinc finish is applied for a top quality finish. The top quality power brake booster is...More Details »
Item #: PBKT1032
Condition: New
Price: $279.95

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Camaro , Firebird
Description: New 8" Dual Diaphragm zinc plated power brake booster & master cylinder. This 8" power booster is hand polished before a yellow zinc finish is applied for a top quality finish. The top quality dual...More Details »
Item #: PBKT1033
Condition: New
Price: $349.95

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Camaro , Firebird
Description: New 8" Dual Diaphragm zinc plated power brake booster, master cylinder & Adjustable Proportioning Valve. This 8 inch power booster is hand polished before a yellow zinc finish is applied for a top...More Details »
Item #: PBKT1037
Condition: New
Price: $389.95

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Camaro , Firebird
Description: New 8" Dual Diaphragm zinc plated power brake booster, master cylinder & disc/drum proportioning valve combo. This 8" power booster is hand polished before a yellow zinc finish is applied for a top...More Details »
Item #: PBKT1034
Condition: New
Price: $409.95

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Camaro , Firebird
Description: New 8" Dual Diaphragm zinc plated power brake booster, master cylinder & 4 wheel disc brake proportioning valve combo. This 8" power booster is hand polished before a yellow zinc finish is applied...More Details »
Item #: PBKT1035
Condition: New
Price: $409.95

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Camaro , Firebird
Description: New 8" Dual Diaphragm zinc plated power brake booster and master cylinder kit. This 8" power booster is hand polished before a yellow zinc finish is applied for a top quality finish. The top...More Details »
Item #: PBKT1038
Condition: New
Price: $344.95

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Camaro, Firebird
Description: New zinc-plated dual diaphragm 8 inch power brake booster, master cylinder & adjustable proportioning valve. This 8" power brake booster and master cylinder is hand polished before a yellow zinc...More Details »
Item #: PBKT1042
Condition: New
Price: $389.95

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Camaro , Firebird
Description: New zinc plated 8" dual diaphragm power brake booster, master cylinder & disc/drum proportioning valve combo. This 8" power booster is hand polished before a yellow zinc finish is applied for a top...More Details »
Item #: PBKT1039
Condition: New
Price: $409.95

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Camaro , Firebird
Description: New 8" Dual Diaphragm zinc plated power brake booster, master cylinder & 4 wheel disc brake proportioning valve combo. This 8" power booster is hand polished before a yellow zinc finish is applied...More Details »
Item #: PBKT1040
Condition: New
Price: $409.95

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GM F Body
Description: New 8" Dual Diaphragm chrome plated power brake booster. This 8" power booster is hand polished before a chrome finish is applied for a top quality finish. This chrome brake booster is designed to...More Details »
Item #: PBKT1043
Condition: New
Price: $369.95

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GM F Body
Description: New 8" Dual Diaphragm chrome plated power brake booster and master cylinder. This 8" power booster is hand polished before a chrome finish is applied for a top quality finish. The top quality power...More Details »
Item #: PBKT1044
Condition: New
Price: $449.95

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Camaro , Firebird
Description: New 8" dual diaphragm chrome-plated power brake booster, 1-1/8 inch bore master cylinder & proportioning valve combo. This 8" brake booster and master cylinder is hand polished before a chrome...More Details »
Item #: PBKT1048
Condition: New
Price: $489.95

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GM F Body
Description: New 8" GM F-body Dual Diaphragm Chrome-Plated Power Brake Booster, 1-1/8 inch Bore Flat Top Master Cylinder, Disc/Drum proportioning Valve from LEED Brakes. This 8" dual diaphragm brake booster is...More Details »
Item #: PBKT1045
Condition: New
Price: $519.95

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GM F Body
Description: New 8" GM F-body Dual Power Brake Booster Kit with 1-1/8 inch Bore Flat Top Master Cylinder, 4 Wheel Disc Proportioning Valve from LEED Brakes. This 8" brake booster is hand polished before a...More Details »
Item #: PBKT1046
Condition: New
Price: $519.95

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GM F Body
Description: 8" dual diaphragm power brake booster and 1" bore flat top master cylinder with a show-quality chrome finish for 1970-1981 Camaro or Firebird. Each booster is hand-polished before being chrome...More Details »
Item #: PBKT1049
Condition: New
Price: $449.95

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Camaro, Firebird
Description: New 8" dual diaphragm chrome-plated power brake booster, master cylinder & proportioning valve combo. This 8" dual power brake booster and master cylinder is hand polished before a chrome finish is...More Details »
Item #: PBKT1053
Condition: New
Price: $479.95

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GM F Body
Description: New 8" GM F-body Dual Chrome-Plated Power Brake Booster Kit with 1 inch Bore Flat Top Master Cylinder, Disc/Drum Proportioning Valve. This 8" power booster is hand polished before a chrome finish...More Details »
Item #: PBKT1050
Condition: New
Price: $519.95

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GM F Body
Description: New 8" GM F-body Dual Diaphragm Chrome-Plated Power Brake Booster Kit with 1 inch Bore Flat Top Master Cylinder, 4 Wheel Disc Brake Proportioning Valve from LEED Brakes. This 8" brake booster and...More Details »
Item #: PBKT1051
Condition: New
Price: $519.95

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GM F Body
Description: New 8" Dual Diaphragm chrome plated power brake booster and master cylinder. This 8" power booster is hand polished before a chrome finish is applied for a top quality finish. The 8” brake...More Details »
Item #: PBKT1054
Condition: New
Price: $389.95

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Camaro , Firebird
Description: New 8" dual diaphragm chrome-plated power brake booster kit, master cylinder & proportioning valve combo for 1970-1981 Camaro & Firebird. This 8" power booster is hand polished before a chrome...More Details »
Item #: PBKT1058
Condition: New
Price: $429.95

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GM F Body
Description: New 8" GM F-body dual diaphragm chrome-plated power brake booster, 1-1/8 inch bore master cylinder & disc/drum proportioning valve combo from LEED Brakes. This 8" power brake booster and master...More Details »
Item #: PBKT1055
Condition: New
Price: $459.95

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GM F Body
Description: New 8" GM F-body Dual Diaphragm Power Brake Booster Kit with 1-1/8 inch Bore Master Cylinder (Chrome Lid), 4 Wheel Disc Proportioning Valve from LEED Brakes. This 8 inch power brake booster is...More Details »
Item #: PBKT1056
Condition: New
Price: $459.95

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GM F Body
Description: New 8" Dual Diaphragm chrome plated power brake booster, cast iron master cylinder. This 8" power booster is hand polished before a chrome finish is applied for a top quality finish. The top...More Details »
Item #: PBKT1059
Condition: New
Price: $384.95

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Camaro , Firebird
Description: 1970-1981 Camaro & Firebird 8" Dual Diaphragm Chrome-Plated Power Brake Booster Kit and 1 Inch Bore Master Cylinder sold by LEED Brakes. This 8" power booster is hand polished before a chrome...More Details »
Item #: PBKT1063
Condition: New
Price: $439.95

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GM F Body
Description: New 8" GM F-body dual diaphragm chrome-plated power brake booster, master cylinder & disc/drum proportioning valve combo from LEED Brakes. This 8" power booster is hand polished before a chrome...More Details »
Item #: PBKT1060
Condition: New
Price: $459.95

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GM F Body
Description: New 8" GM F-body dual diaphragm chrome-plated power brake booster, 1 inch bore master cylinder & 4 wheel disc proportioning valve. This 8" power booster is hand polished before a chrome finish is...More Details »
Item #: PBKT1061
Condition: New
Price: $459.95

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Camaro , Firebird
Description: New zinc plated 9" power brake booster and master cylinder. This 9" power booster is hand polished before a yellow zinc finish is applied for a top quality finish. The top quality power brake...More Details »
Item #: PBKT1065
Condition: New
Price: $329.95

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Camaro , Firebird
Description: New 9" zinc plated power brake booster, master cylinder & Adjustable Proportioning Valve. This 9" power booster is hand polished before a yellow zinc finish is applied for a top quality finish. The...More Details »
Item #: PBKT1069
Condition: New
Price: $374.95

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Camaro , Firebird
Description: New 9" zinc plated power brake booster and master cylinder. This 9" power booster is hand polished before a yellow zinc finish is applied for a top quality finish. The top quality power brake...More Details »
Item #: PBKT1066
Condition: New
Price: $399.95

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Camaro , Firebird
Description: New 1970-1981 Camaro & Firebird 9" Zinc-Plated Power Brake Booster Kit and 1 1/8 Inch Bore Master Cylinder from LEED Brakes. This 9" power booster is hand polished before a yellow zinc finish is...More Details »
Item #: PBKT1067
Condition: New
Price: $399.95

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Camaro, Firebird
Description: New 1970-1981 Camaro & Firebird 9" Power Brake Booster Kit and 1" Bore Master Cylinder. This 9" power booster is hand polished before a yellow zinc finish is applied for a fine finish. The...More Details »
Item #: PBKT1070
Condition: New
Price: $329.95

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Camaro , Firebird
Description: New 1970-1981 Camaro & Firebird 9" Zinc-Plated Power Brake Booster Kit, 1 Inch Bore Master Cylinder, Adjustable Proportioning Valve from LEED Brakes. This 9" power booster is hand polished before a...More Details »
Item #: PBKT1074
Condition: New
Price: $374.95

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Camaro , Firebird
Description: New 1970-1981 Camaro & Firebird 9" Zinc-Plated Power Brake Booster Kit and 1" Bore Master Cylinder available from LEED Brakes. This 9" power brake booster is hand polished before a yellow zinc...More Details »
Item #: PBKT1071
Condition: New
Price: $399.95

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Camaro , Firebird
Description: New 1970-1981 Camaro & Firebird 9" Zinc-Plated Power Brake Booster Kit, Master Cylinder and 4 Wheel Disc Proportioning Valve sold by LEED Brakes. This 9" power booster is hand polished before a...More Details »
Item #: PBKT1072
Condition: New
Price: $399.95

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GM F Body
Description: New chrome 9" power brake booster. This 9" brake booster is hand polished before a Chrome finish is applied for a top quality finish. The top quality GM power brake booster is designed mount...More Details »
Item #: PBKT1075
Condition: New
Price: $347.95

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Items 1-60 of 85