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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 setup? Our 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 us today 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: $449.95
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: $479.95
GM F Body
Description: New 8" Dual Diaphragm chrome plated power brake booster and 1" bore master cylinder. This 8" brake booster is hand polished before a chrome finish is applied for a top quality finish. The top...More Details »
Item #: PBKT1049
Condition:
New
Price: $419.95
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: $449.95
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: $479.95
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: $359.95
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: $399.95
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: $419.95
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: $359.95
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: $399.95
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: $419.95
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: $309.95
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: $349.95
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: $369.95
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: $309.95
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: $349.95
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: $369.95
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: $399.95
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: $429.95
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 #: PBKT1078
Condition:
New
Price: $449.95
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: $399.95
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: $429.95
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: $449.95
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: $349.95
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: $379.95
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: $409.95
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: $359.95
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: $379.95
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: $409.95
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: $389.95
Ford Mustang
Description: Upgrade your manual brake Mustang to a 7 in. power booster and a 1 in. dual bore master cylinder! This power brake booster kit allows you to upgrade your factory single bowl manual brake car to...More Details »
Item #: 6JF94
Condition:
New
Price: $419.95
Impala, Bel Air, Nomad, 210, 150
Description: New 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 is applied for a top...More Details »
Item #: 4L6B4
Condition:
New
Price: $409.95
Chevrolet C10 Pickup
Description: New 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 is applied for a top...More Details »
Item #: 4T6B4
Condition:
New
Price: $419.95
GM AFX
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...More Details »
Item #: 2L6B4
Condition:
New
Price: $399.95
Impala, Bel Air, Nomad, 210, 150
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 #: 4L605
Condition:
New
Price: $379.95
Ford F100 Truck
Description: New 7" Dual Diaphragm chrome plated power brake booster, master cylinder & 4 wheel disc proportioning valve combo. This 7" Ford power booster kit is hand polished before a chrome finish is applied...More Details »
Item #: ET6B4
Condition:
New
Price: $489.95
GM AFX
Description: New 7" Dual Diaphragm chrome plated power brake booster & 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 #: 2LB
Condition:
New
Price: $339.95
GM AFX
Description: New 7" Dual Diaphragm chrome plated power brake booster & master cylinder. This 7" dual brake booster for sale is hand polished before a chrome finish is applied for a top quality finish. The top...More Details »
Item #: 2LB05
Condition:
New
Price: $359.95
GM AFX
Description: New chrome plated 7 inch dual diaphragm power brake booster, master cylinder & disc/drum proportioning valve combo. This 7 inch power brake booster kit is hand polished before a chrome finish is...More Details »
Item #: 2LBB4
Condition:
New
Price: $369.95
Ford F100 Truck
Description: New 7" Dual Diaphragm chrome plated power brake booster, 1" bore master cylinder combo. This 7" Ford power booster kit is hand polished before a chrome finish is applied for a top quality finish....More Details »
Item #: ETF
Condition:
New
Price: $419.95
Ford F100 Truck
Description: New 7" Dual Diaphragm chrome plated power brake booster, master cylinder & 4 wheel drum proportioning valve combo. This Ford F100 7" power booster is hand polished before a chrome finish is applied...More Details »
Item #: ETFB4
Condition:
New
Price: $489.95
Ford F100 Truck
Description: New 7" Dual Diaphragm chrome plated Ford power brake booster kit, master cylinder combo. This 7" power booster is hand polished before a chrome finish is applied for a top quality finish. The black...More Details »
Item #: ET6
Condition:
New
Price: $419.95
Ford F100 Truck
Description: New 7" Dual Diaphragm chrome plated power brake booster, Ford master cylinder & adjustable proportioning valve combo. This 7" Ford power booster is hand polished before a chrome finish is applied...More Details »
Item #: ET6F7
Condition:
New
Price: $489.95
GM AFX
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 #: 2L605
Condition:
New
Price: $379.95
Chevrolet C10 Pickup
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 #: 4T605
Condition:
New
Price: $379.95
Impala, Bel Air, Nomad, 210, 150
Description: New 7" dual diaphragm chrome-plated Chevy power brake booster kit & master cylinder. This 7 inch power booster is hand polished before a chrome finish is applied for a top quality finish. The top...More Details »
Item #: 4L6
Condition:
New
Price: $354.95
Chevrolet C10 Pickup
Description: New 7" Dual Diaphragm chrome plated power brake booster, master cylinder combo. This 7" power booster is hand polished before a chrome finish is applied for a top quality finish. The top quality...More Details »
Item #: 4T6
Condition:
New
Price: $354.95
Ford F100 Truck
Description: New 7" Dual Diaphragm chrome plated power brake booster kit, master cylinder & adjustable proportioning valve combo. This 7" Ford power brake booster is hand polished before a chrome finish is...More Details »
Item #: ETFF7
Condition:
New
Price: $489.95
Jeep
Description: New 7" Dual Diaphragm chrome plated power brake booster kit. This 7" power booster is hand polished before a chrome finish is applied for a top quality finish. The booster mounting brackets are a...More Details »
Item #: C7F
Condition:
New
Price: $399.95
Jeep
Description: New dual diaphragm chrome plated 7 inch power brake booster, master cylinder & 4 wheel disc brake proportioning valve combo. This 7" Jeep power brake booster kit is hand polished before a chrome...More Details »
Item #: C7FB4
Condition:
New
Price: $459.95
Ford Mustang
Description: New 7" chrome plated power brake booster & master cylinder combo. This top quality power brake booster is designed mount directly to your factory firewall. This Ford Mustang power booster works...More Details »
Item #: 6J4
Condition:
New
Price: $294.95
Impala, Bel Air, Nomad, 210, 150
Description: New 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 top quality finish. The top quality power...More Details »
Item #: 3K1
Condition:
New
Price: $264.95
GM AFX
Description: New 7" Dual Diaphragm zinc plated power brake booster, master cylinder & Adjustable Proportioning Valve. This 7" power booster is hand polished before a yellow zinc finish is applied for a top...More Details »
Item #: 1K105
Condition:
New
Price: $299.95
GM AFX
Description: New 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 top...More Details »
Item #: 1K1A3
Condition:
New
Price: $319.95
Ford F100 Truck
Description: New 7" Dual Diaphragm zinc plated power brake booster kit. This 7" power booster is hand polished before a yellow zinc finish is applied for a top quality finish. The booster mounting brackets are...More Details »
Item #: E61F7
Condition:
New
Price: $399.95
Impala, Bel Air, Nomad, 210, 150
Description: New 7" Dual Diaphragm zinc plated power brake booster, master cylinder & adjustable proportioning valve combo. This 7" power booster is hand polished before a yellow zinc finish is applied for a...More Details »
Item #: 3K105
Condition:
New
Price: $304.95
Chevrolet C10 Pickup
Description: New 7" Dual Diaphragm zinc plated power brake booster, master cylinder & adjustable proportioning valve combo. This 7" power booster is hand polished before a yellow zinc finish is applied for a...More Details »
Item #: 3S105
Condition:
New
Price: $289.95
Chevrolet C10 Pickup
Description: New 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 top quality finish. The top quality power...More Details »
Item #: 3S1
Condition:
New
Price: $264.95
Ford F100 Truck
Description: New zinc-plated 7 inch brake booster and master cylinder combo. This top quality power brake booster is designed mount directly to your factory firewall. This Ford F100 power brake booster works...More Details »
Item #: E61
Condition:
New
Price: $364.95
Camaro, Chevelle, Firebird, GTO, Nova, Cutlass
Description: New zinc plated 7 inch Dual Diaphragm brake booster, master cylinder. This 7" power booster is hand polished before a yellow zinc finish is applied for a top quality finish. The top quality power...More Details »
Item #: 1K1
Condition:
New
Price: $269.95