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LEED Brakes - 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 upgrading a classic muscle car or a modern disc brake system, our power brakes provide stronger stopping power, improved pedal feel, and increased safety.
We offer a variety of power brake booster diameters and master cylinder bore sizes to ensure a perfect fit for your vehicle. From compact 7-inch dual diaphragm boosters to larger 9-inch options, LEED Brakes has the right power brake conversion kit for your needs.
Choosing the Right Power Brake Booster & Master Cylinder
Not sure which brake booster or master cylinder is best for your vehicle's setup? Our brake experts can help you select the ideal power brake system based on your vehicle, brake type (disc/disc or disc/drum), and performance goals.
Call LEED Brakes at 716-852-2139 or send us a message to find the perfect power brake booster and master cylinder kit for your build.
Browse Power Brakes - 4 Wheel Disc Brakes Products
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: $524.99
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: $569.99
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: $489.99
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: $519.99
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: $574.99
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: $429.99
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: $469.99
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: $509.99
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: $419.99
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: $484.99
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: $509.99
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: $349.99
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: $409.99
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: $434.99
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: $354.99
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: $409.99
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: $434.99
GM F Body
Description: New chrome plated 9" dual diaphragm power brake booster and master cylinder. This 9" power booster is hand polished before a chrome finish is applied for a top quality finish. The top quality power...More Details »
Item #: PBKT1076
Condition:
New
Price: $459.99
GM F Body
Description: New 9" Single Diaphragm chrome plated power brake booster, master cylinder. This 9" power booster is hand polished before a chrome finish is applied for a top quality finish. The top quality power...More Details »
Item #: PBKT1080
Condition:
New
Price: $499.99
GM F Body
Description: New 9" single diaphragm chrome-plated power brake booster and master cylinder. This 9" power booster is hand-polished before receiving a chrome finish for a high-quality appearance. The power brake...More Details »
Item #: PBKT1078
Condition:
New
Price: $539.99
GM F Body
Description: New 9" dual diaphragm chrome-plated power brake booster, 1-inch bore master cylinder for GM F-Body. This 9" power booster is hand polished before a chrome finish is applied for a top-quality...More Details »
Item #: PBKT1081
Condition:
New
Price: $459.99
GM F Body
Description: New 9" Single Diaphragm chrome-plated power brake booster, master cylinder. This 9" power booster is hand polished before a chrome finish is applied for a fine finish. The top-quality power brake...More Details »
Item #: PBKT1085
Condition:
New
Price: $509.99
GM F Body
Description: New 9" Single Diaphragm chrome-plated power brake booster, master cylinder. This 9" power booster is hand polished before a chrome finish is applied for a top-quality finish. The top-quality power...More Details »
Item #: PBKT1083
Condition:
New
Price: $539.99
GM F Body
Description: New 9" Single Diaphragm chrome plated power brake booster, master cylinder. This 9" power booster is hand polished before a chrome finish is applied for a top quality finish. The top quality power...More Details »
Item #: PBKT1086
Condition:
New
Price: $399.99
GM F Body
Description: New 9" Single Diaphragm chrome plated power brake booster, master cylinder. This 9" power booster is hand polished before a chrome finish is applied for a top quality finish. The top quality power...More Details »
Item #: PBKT1090
Condition:
New
Price: $459.99
GM F Body
Description: New 9" Single Diaphragm chrome plated power brake booster, master cylinder. This 9" power booster is hand polished before a chrome finish is applied for a top quality finish. The top quality power...More Details »
Item #: PBKT1088
Condition:
New
Price: $499.99
GM F Body
Description: New 9" Single Diaphragm chrome plated power brake booster, master cylinder. This 9" power booster is hand polished before a chrome finish is applied for a top quality finish. The top quality power...More Details »
Item #: PBKT1091
Condition:
New
Price: $409.99
GM F Body
Description: New 9" Single Diaphragm chrome plated power brake booster, master cylinder. This 9" power booster is hand polished before a chrome finish is applied for a top quality finish. The top quality power...More Details »
Item #: PBKT1095
Condition:
New
Price: $459.99
GM F Body
Description: New 9" Single Diaphragm chrome plated power brake booster, master cylinder. This 9" power booster is hand polished before a chrome finish is applied for a top quality finish. The top quality power...More Details »
Item #: PBKT1093
Condition:
New
Price: $499.99
Ford Galaxie, Fairlane, Custom 500
Description: Upgrade your manual brake car to a 7 in. Dual Diaphragm power booster and a 1 in. dual bowl master cylinder with our quick install kit. This 1957-1962 Ford Galaxie/Fairlane power brake booster kit...More Details »
Item #: FC0032HK
Condition:
New
Price: $497.99
Ford F100 Truck
Description: Upgrade your 1957-1972 Ford F100 with this LEED Brakes 7-inch zinc dual diaphragm power brake booster and master cylinder kit. The booster is hand polished and finished in durable yellow zinc...More Details »
Item #: E63
Condition:
New
Price: $409.99
Ford F100 Truck
Description: Upgrade your 1957-1972 Ford F100 with this LEED Brakes 8-inch zinc dual diaphragm power brake booster kit. The booster is hand polished and finished in durable yellow zinc plating for corrosion...More Details »
Item #: E83
Condition:
New
Price: $419.99
Ford Galaxie, Fairlane, Custom 500
Description: Upgrade your 1957–1968 Ford full-size manual disc brake vehicle to an 8-inch dual diaphragm power brake booster and 1-inch dual bowl master cylinder with this quick-install kit from LEED Brakes....More Details »
Item #: FC0024HK
Condition:
New
Price: $479.99
Ford Galaxie, Fairlane, Custom 500
Description: Upgrade your factory Power brake car with a new Power Brake kit from LEED Brakes. In this disc brake booster kit we use a new 8" Dual Diaphragm zinc plated power brake booster and master cylinder...More Details »
Item #: FC0050HK
Condition:
New
Price: $474.99
Ford Mustang
Description: Upgrade your 1964-1966 Ford Mustang from manual to power brakes with this 7 in. chrome power brake booster kit from LEED Brakes designed for 4-wheel disc brake applications and automatic...More Details »
Item #: 6JF94
Condition:
New
Price: $509.99
Impala, Bel Air, Nomad, 210, 150
Description: 1955–1968 Chevrolet 7" dual diaphragm chrome-plated power brake booster, master cylinder & 4 wheel disc proportioning valve combo from LEED Brakes. This 7" power booster is hand polished before a...More Details »
Item #: 4L6B4
Condition:
New
Price: $499.99
Chevrolet C10 Pickup
Description: 1960-1966 Chevrolet C10 7" dual diaphragm chrome-plated power brake booster, master cylinder & 4 wheel disc proportioning valve combo. This 7" power booster is hand polished before a chrome finish...More Details »
Item #: 4T6B4
Condition:
New
Price: $519.99
GM AFX
Description: GM 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...More Details »
Item #: 2L6B4
Condition:
New
Price: $497.99
Impala, Bel Air, Nomad, 210, 150
Description: 1955-1968 Chevrolet 7" dual diaphragm chrome-plated power brake booster, master cylinder, and adjustable proportioning valve combo from LEED Brakes. This 7" power booster is hand-polished before a...More Details »
Item #: 4L605
Condition:
New
Price: $459.99
Ford F100 Truck
Description: 1957–1972 Ford F100 7" Dual Diaphragm chrome-plated power brake booster, master cylinder, and 4-wheel disc proportioning valve combo from LEED Brakes. This 7" Ford power booster kit is...More Details »
Item #: ET6B4
Condition:
New
Price: $589.99
GM AFX
Description: 7" dual diaphragm chrome-plated power brake booster and master cylinder combo from LEED Brakes. This 7-Inch Chrome Dual Power Booster with 1-1/8 Inch Bore Master Cylinder and Chrome Lid for GM AFX...More Details »
Item #: 2LB
Condition:
New
Price: $394.99
GM AFX
Description: 7" dual diaphragm chrome-plated power brake booster and master cylinder combo from LEED Brakes. This 7-Inch Chrome Dual Power Booster with 1-1/8 Inch Bore Master Cylinder with Chrome Lid and...More Details »
Item #: 2LB05
Condition:
New
Price: $434.99
GM AFX
Description: The 7-Inch Chrome Dual Power Booster with 1-1/8 Inch Bore Master Cylinder with Chrome Lid and Side Mount Valve for GM AFX is a complete chrome-plated power brake booster, master cylinder, and...More Details »
Item #: 2LBB4
Condition:
New
Price: $459.99
Ford F100 Truck
Description: 1957–1972 Ford Truck 7" Dual Diaphragm chrome-plated power brake booster and 1" bore master cylinder combo from LEED Brakes. This 7" Ford power booster kit is hand-polished before a durable...More Details »
Item #: ETF
Condition:
New
Price: $489.99
Ford F100 Truck
Description: 1957–1972 Ford F100 7" Dual Diaphragm chrome-plated power brake booster, master cylinder, and 4-wheel disc proportioning valve combo from LEED Brakes. This Ford F100 7" power booster is...More Details »
Item #: ETFB4
Condition:
New
Price: $589.99
Ford F100 Truck
Description: 1957–1972 Ford F100 7" Dual Diaphragm chrome-plated power brake booster and master cylinder combo from LEED Brakes. This 7" power booster is hand-polished before a durable chrome finish is...More Details »
Item #: ET6
Condition:
New
Price: $489.99
Ford F100 Truck
Description: 1957–1972 Ford F100 7" Dual Diaphragm chrome-plated power brake booster, master cylinder, and adjustable proportioning valve combo from LEED Brakes. This 7" Ford power booster is hand-polished...More Details »
Item #: ET6F7
Condition:
New
Price: $574.99
GM AFX
Description: 7" dual diaphragm chrome-plated power brake booster, master cylinder, and adjustable proportioning valve combo from LEED Brakes. This 7-Inch Chrome Dual Power Brake Booster with 1-1/8-Inch Bore...More Details »
Item #: 2L605
Condition:
New
Price: $459.99
Chevrolet C10 Pickup
Description: 1960–1966 Chevrolet or GMC 7" dual diaphragm chrome-plated power brake booster, master cylinder, and adjustable proportioning valve combo. This 7" power booster is hand-polished before a chrome...More Details »
Item #: 4T605
Condition:
New
Price: $469.99
Impala, Bel Air, Nomad, 210, 150
Description: 7" dual diaphragm chrome-plated Chevy power brake booster kit and master cylinder from LEED Brakes. This high-quality 7-inch power booster is hand-polished before receiving a chrome finish for a...More Details »
Item #: 4L6
Condition:
New
Price: $424.99
Chevrolet C10 Pickup
Description: 1960–1966 Chevrolet and GMC 7" Dual Diaphragm chrome-plated power brake booster and master cylinder combo. This 7" power booster is hand-polished before a chrome finish is applied for a durable,...More Details »
Item #: 4T6
Condition:
New
Price: $434.99
Ford F100 Truck
Description: 1957–1972 Ford F100 7" Dual Diaphragm chrome-plated power brake booster kit from LEED Brakes, including a 1" bore flat top master cylinder and adjustable proportioning valve. This system is...More Details »
Item #: ETFF7
Condition:
New
Price: $579.99
7-Inch Chrome Dual Power Brake Booster with 1-Inch Bore Master Cylinder for 1976-1986 Jeep CJ5 & CJ7
Jeep
Description: Upgrade your 1976-1986 Jeep CJ5 or CJ7 with this LEED Brakes 7-inch chrome dual diaphragm power brake booster kit. The booster is hand polished and chrome plated for a durable, high-quality finish...More Details »
Item #: C7F
Condition:
New
Price: $479.99
Jeep
Description: Upgrade your 1976-1986 Jeep CJ5 or CJ7 with this LEED Brakes 7-inch chrome dual diaphragm power brake booster kit designed for four wheel disc brake systems. This complete assembly includes a...More Details »
Item #: C7FB4
Condition:
New
Price: $569.99
Ford Mustang
Description: Upgrade your 1964-1966 Ford Mustang with this 7-inch chrome power brake booster and 1-inch bore master cylinder combo from LEED Brakes. Designed to mount directly to your factory firewall, this...More Details »
Item #: 6J4
Condition:
New
Price: $344.99
Impala, Bel Air, Nomad, 210, 150
Description: LEED Brakes' 7" dual diaphragm zinc-plated power brake booster, master cylinder. This 7" power booster is hand polished before a yellow zinc finish is applied for a premium finish. The top-quality...More Details »
Item #: 3K1
Condition:
New
Price: $299.99
GM AFX
Description: 7" dual diaphragm zinc-plated power brake booster, master cylinder, and adjustable proportioning valve combo from LEED Brakes. This 7-Inch Zinc Dual Diaphragm Power Brake Booster with 1-1/8 Inch...More Details »
Item #: 1K105
Condition:
New
Price: $359.99
GM AFX
Description: GM AFX 7" dual diaphragm zinc-plated power brake booster, master cylinder & disc/disc proportioning valve combo. This 7" power booster is hand polished before a yellow zinc finish is applied for a...More Details »
Item #: 1K1A3
Condition:
New
Price: $389.99
Ford F100 Truck
Description: Upgrade your 1957-1972 Ford F100 with this LEED Brakes 7-inch zinc dual diaphragm power brake booster kit. The booster is hand polished and finished in durable yellow zinc plating for corrosion...More Details »
Item #: E61F7
Condition:
New
Price: $469.99
Impala, Bel Air, Nomad, 210, 150
Description: 1955-1968 Chevy 7" Dual Diaphragm zinc plated power brake booster, master cylinder & adjustable proportioning valve combo from LEED Brakes. This 7" power booster is hand polished before a yellow...More Details »
Item #: 3K105
Condition:
New
Price: $359.99