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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, 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: $319.99
Ford F100 Truck
Description: New 7" Dual Diaphragm zinc plated Ford power brake booster kit, master cylinder, and 4 wheel drum proportioning valve combo. This 7 inch power brake booster is hand polished before a yellow zinc...More Details »
Item #: E63A3
Condition:
New
Price: $489.99
GM Car / Truck
Description: 7" dual diaphragm zinc-plated power brake booster, master cylinder & disc/disc proportioning valve combo from LEED Brakes. This 7" power booster is hand polished before a yellow zinc finish is...More Details »
Item #: 3K1A3
Condition:
New
Price: $394.99
Ford F100 Truck
Description: New 7" Dual Diaphragm zinc plated power brake booster kit. This 7" Ford power booster is hand polished before a yellow zinc finish is applied for a top quality finish. The booster mounting brackets...More Details »
Item #: E63F7
Condition:
New
Price: $469.99
Chevrolet C10 Pickup
Description: 7" dual diaphragm zinc-plated power brake booster, master cylinder, and disc/disc proportioning valve combo for 1960–1966 GMC or Chevrolet trucks. This 7" power booster is hand-polished before a...More Details »
Item #: 3S1A3
Condition:
New
Price: $399.99
Ford F100 Truck
Description: New 7" Dual Diaphragm zinc plated power brake booster , master cylinder & 4 wheel disc proportioning valve combo. This 7" dual power booster is hand polished before a yellow zinc finish is applied...More Details »
Item #: E61A3
Condition:
New
Price: $489.99
Jeep
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 #: C63A3
Condition:
New
Price: $499.99
Jeep
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 #: C63
Condition:
New
Price: $419.99
Ford Mustang
Description: New 7" zinc-plated power brake booster & master cylinder combo. This Ford Mustang power booster works great as an upgrade from manual to power brakes for vehicles with automatic transmissions....More Details »
Item #: 5H4
Condition:
New
Price: $279.99
Ford Mustang
Description: 7" zinc-plated power brake booster, master cylinder, and adjustable proportioning valve from LEED Brakes. This 7-Inch Zinc-Plated Power Brake Booster, 1-Inch Bore Master Cylinder, and Adjustable...More Details »
Item #: 5H405
Condition:
New
Price: $379.99
Ford Mustang
Description: New 7" zinc-plated power brake booster, master cylinder & 4 wheel disc proportioning valve combo. This top-quality power brake booster kit is designed to mount directly to your Mustang's factory...More Details »
Item #: 5H473
Condition:
New
Price: $419.99
Ford Full Size, Ford Galaxie
Description: New 8" Dual Diaphragm chrome plated Ford power brake booster kit. This 8 inch dual diaphragm brake booster is hand polished before a chrome finish is applied for a top quality finish. The booster...More Details »
Item #: G9FB4
Condition:
New
Price: $599.99
GM AFX
Description: LEED Brakes' 8-Inch Chrome Dual Power Brake Booster with 1-1/8 Inch Bore Flat Top Master and Side Mount Valve for GM AFX Disc/Disc Applications is a complete chrome-plated power brake booster,...More Details »
Item #: 2N6B4
Condition:
New
Price: $499.99
Impala, Bel Air, Nomad, 210, 150
Description: New 8" Dual Diaphragm chrome plated power brake booster, master cylinder & adjustable proportioning valve combo. This 8" power booster is hand polished before a chrome finish is applied for a top...More Details »
Item #: 4N605
Condition:
New
Price: $499.99
GM AFX
Description: 8" dual-diaphragm chrome-plated power brake booster, master cylinder, and adjustable proportioning valve combo designed for GM AFX vehicles. LEED Brakes' 8-inch power brake booster is hand-polished...More Details »
Item #: 2N605
Condition:
New
Price: $479.99
Ford Full Size, Ford Galaxie
Description: New 8" Dual Diaphragm chrome plated power brake booster kit. This 8" Ford power booster is hand polished before a chrome finish is applied for a top quality finish. The booster mounting brackets...More Details »
Item #: G9605
Condition:
New
Price: $549.99
Ford Full Size, Ford Galaxie
Description: New 8" Dual Diaphragm chrome plated power brake booster kit. This 8" 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 #: G96B4
Condition:
New
Price: $599.99
Ford F100 Truck
Description: New 8" Dual Diaphragm chrome plated power brake booster, master cylinder & 4 wheel disc proportioning valve combo. This 8" power booster is hand polished before a chrome finish is applied for a top...More Details »
Item #: E96B4
Condition:
New
Price: $589.99
Impala, Bel Air, Nomad, 210, 150
Description: New 8" Dual Diaphragm chrome plated power brake booster & master cylinder. This 8" Impala brake booster is hand polished before a chrome finish is applied for a top quality finish. The top quality...More Details »
Item #: 4N6
Condition:
New
Price: $464.99
Ford F100 Truck
Description: New chrome plated 8 inch Dual Diaphragm brake booster, master cylinder combo. This 8" Ford F100 brake booster is hand polished before a chrome finish is applied for a top quality finish. The black...More Details »
Item #: E96
Condition:
New
Price: $489.99
Ford Full Size, Ford Galaxie
Description: New 8" Dual Diaphragm chrome plated power brake booster kit. This 8" 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 #: G96
Condition:
New
Price: $489.99
Charger, Challenger, Cuda, Dart, Polara, GTX, Sattellite
Description: New 8" Dual Diaphragm Chrome Plated power brake booster kit with 4 wheel disc proportioning valve. This 8" power booster is hand polished before a chrome plated finish is applied for a top quality...More Details »
Item #: A96B4
Condition:
New
Price: $599.99
Charger, Challenger, Cuda, Dart, Polara, GTX, Sattellite
Description: New 8" Dual Diaphragm Chrome Plated power brake booster kit. This 8" dual diaphragm booster is hand polished before a chrome plated finish is applied for a top quality finish. The black powder...More Details »
Item #: A96
Condition:
New
Price: $499.99
GM AFX
Description: The 8-Inch Chrome Dual Power Brake Booster with 1-1/8 Inch Bore Master Cylinder, Chrome Lid, and Side-Mount Valve for Disc/Disc Applications for GM AFX Bodies is a complete chrome-plated power...More Details »
Item #: 2NBB4
Condition:
New
Price: $469.99
Ford F100 Truck
Description: New 8" Dual Diaphragm chrome plated power brake booster, master cylinder & adjustable proportioning valve combo. This 8" power booster is hand polished before a chrome finish is applied for a top...More Details »
Item #: E96F7
Condition:
New
Price: $579.99
Chevrolet C10 Pickup
Description: New 8" Dual Diaphragm chrome plated Chevy C10 power brake booster kit, master cylinder & adjustable proportioning valve combo. This 8" power booster is hand polished before a chrome finish is...More Details »
Item #: 4V605
Condition:
New
Price: $499.99
Chevrolet C10 Pickup
Description: New 8" Dual Diaphragm chrome plated power brake booster, master cylinder combo. This 8" power booster and master cylinder is hand polished before a chrome finish is applied for a top quality...More Details »
Item #: 4V6
Condition:
New
Price: $459.99
Camaro, Chevelle, Firebird, GTO, Nova, Cutlass
Description: New 8" dual diaphragm chrome-plated power brake booster, master cylinder & adjustable proportioning valve combo. This 8" power booster is hand polished before a chrome finish is applied for a top...More Details »
Item #: 2NB05
Condition:
New
Price: $419.99
Chevrolet C10 Pickup
Description: New 8" Dual Diaphragm chrome plated power brake booster, master cylinder & 4 wheel disc proportioning valve combo. This 8" power booster is hand polished before a chrome finish is applied for a top...More Details »
Item #: 4V6B4
Condition:
New
Price: $519.99
Ford F100 Truck
Description: New 8" Dual Diaphragm chrome plated power brake booster, master cylinder & adjustable proportioning valve combo. This 8" Ford power booster is hand polished before a chrome finish is applied for a...More Details »
Item #: E9FF7
Condition:
New
Price: $589.99
Charger, Challenger, Cuda, Dart, Polara, GTX, Sattellite
Description: New 8" Dual Diaphragm Chrome Plated power brake booster kit with 4 wheel disc proportioning valve. This 8" power booster is hand polished before a chrome plated finish is applied for a top quality...More Details »
Item #: A9FB4
Condition:
New
Price: $599.99
Jeep
Description: New chrome plated 8 inch Dual Diaphragm brake booster, master cylinder & 4 wheel disc brake proportioning valve combo. This 8" Jeep power brake booster is hand polished before a chrome finish is...More Details »
Item #: C9FB4
Condition:
New
Price: $569.99
Description: New 8" Dual Diaphragm Chrome Plated power brake booster kit. This 8" power booster is hand polished before a chrome plated finish is applied for a top quality finish. The black powder coated mount...More Details »
Item #: A9F
Condition:
New
Price: $499.99
Bronco Power Brake Booster
Description: New 8" Dual Diaphragm chrome plated power brake booster kit. This 8" Bronco power brake booster with master cylinder is hand polished before a chrome plated finish is applied for a top quality...More Details »
Item #: B9F
Condition:
New
Price: $599.99
Jeep
Description: New 8" Dual Diaphragm chrome plated power brake booster kit. This 8" Jeep power brake booster with master cylinder is hand polished before a chrome finish is applied for a top quality finish. The...More Details »
Item #: C9F
Condition:
New
Price: $479.99
Impala, Bel Air, Nomad, 210, 150
Description: New 8" Dual Diaphragm chrome plated power brake booster, master cylinder & 4 wheel disc proportioning valve combo. This 8" power booster is hand polished before a chrome finish is applied for a top...More Details »
Item #: 4N6B4
Condition:
New
Price: $519.99
Ford F100 Truck
Description: New 8" Dual Diaphragm chrome plated power brake booster, master cylinder & 4 wheel disc proportioning valve combo. This 8" dual diaphragm power brake booster kit is hand polished before a chrome...More Details »
Item #: E9FB4
Condition:
New
Price: $589.99
Charger, Challenger, Cuda, Dart, Polara, GTX, Sattellite
Description: New 8" Dual Diaphragm Chrome Plated power brake booster kit with adjustable proportioning valve. This 8" power booster is hand polished before a chrome plated finish is applied for a top quality...More Details »
Item #: A9605
Condition:
New
Price: $569.99
Ford Full Size, Ford Galaxie
Description: New 8" Dual Diaphragm chrome plated power brake booster kit. This 8" Ford power booster is hand polished before a chrome finish is applied for a top quality finish. The booster mounting brackets...More Details »
Item #: G9F05
Condition:
New
Price: $549.99
Ford F100 Truck
Description: New 8" Dual Diaphragm chrome plated power brake booster kit with 1" bore master cylinder combo. This 8" power booster is hand polished before a chrome finish is applied for a top quality finish....More Details »
Item #: E9F
Condition:
New
Price: $489.99
GM AFX
Description: LEED Brakes' 8-inch dual-diaphragm chrome power brake booster and master cylinder combo is designed to deliver improved stopping power and a clean, factory-style appearance for GM AFX-body...More Details »
Item #: 2N6
Condition:
New
Price: $449.99
Impala, Bel Air, Nomad, 210, 150
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 power...More Details »
Item #: 3M1
Condition:
New
Price: $349.99
Ford Full Size
Description: Zinc-plated 8-inch dual diaphragm brake booster kit for 1957–1972 Full-Size Ford vehicles. This 8" power booster is hand-polished before a yellow zinc finish is applied for a top-quality...More Details »
Item #: G81
Condition:
New
Price: $389.99
Description: New 8" dual diaphragm zinc-plated power brake booster kit. This 8" power booster is hand polished before a yellow zinc finish is applied for a top-quality finish. The black powder-coated mount and...More Details »
Item #: A81
Condition:
New
Price: $439.99
GM AFX
Description: 8" dual diaphragm zinc-plated power brake booster and master cylinder combo from LEED Brakes. This 8-Inch Dual Power Brake Booster with 1-1/8-Inch Bore Zinc Master Cylinder for GM AFX is...More Details »
Item #: 1M1
Condition:
New
Price: $359.99
Ford Full Size, Ford Galaxie
Description: New 8" Dual Diaphragm chrome plated power brake booster kit. This 8" 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 #: G9F
Condition:
New
Price: $489.99
Charger, Challenger, Cuda, Dart, Polara, GTX, Sattellite
Description: New 8" Dual Diaphragm Chrome Plated power brake booster kit with adjustable proportioning valve. This 8" power booster is hand polished before a chrome plated finish is applied for a top quality...More Details »
Item #: A9F05
Condition:
New
Price: $569.99
Ford Full Size
Description: New 8" Dual Diaphragm zinc plated power brake booster kit. This 8" 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 #: G84
Condition:
New
Price: $384.99
Description: New 8" dual diaphragm zinc-plated power brake booster kit. This 8-inch dual diaphragm brake booster is hand polished before a yellow zinc finish is applied for a top-quality finish. The black...More Details »
Item #: A84
Condition:
New
Price: $459.99
Ford F100 Truck
Description: New 8" dual diaphragm zinc-plated Ford F100 power brake booster kit. This 8" power booster is hand polished before a yellow zinc finish is applied for a top-quality finish. The booster mounting...More Details »
Item #: E81F7
Condition:
New
Price: $469.99
GM AFX
Description: 8" dual diaphragm zinc-plated power brake booster, master cylinder, and adjustable proportioning valve combo from LEED Brakes. This 8-Inch Dual Zinc-Plated Power Brake Booster with 1-1/8 Inch Bore...More Details »
Item #: 1M105
Condition:
New
Price: $389.99
GM Truck
Description: 8" dual diaphragm zinc-plated power brake booster and master cylinder combo. This 8" power booster is hand-polished before a yellow zinc finish is applied for a top-quality appearance. The power...More Details »
Item #: 3U105
Condition:
New
Price: $364.99
Impala, Bel Air, Nomad, 210, 150
Description: New 8" Dual Diaphragm zinc plated power brake booster, master cylinder & adjustable proportioning valve combo. This 8" power booster is hand polished before a yellow zinc finish is applied for a...More Details »
Item #: 3M105
Condition:
New
Price: $359.99
GM Truck
Description: 8" dual diaphragm zinc-plated power brake booster kit from LEED Brakes for 1960–1966 Chevrolet C10 & GMC. This 8" power booster is hand-polished before a yellow zinc finish is applied for a...More Details »
Item #: 3U1
Condition:
New
Price: $354.99
GM AFX
Description: 8" dual diaphragm zinc-plated power brake booster, master cylinder, and four-wheel disc proportioning valve combo from LEED Brakes. This 8-Inch Zinc Dual Power Brake Booster with 1-1/8 Inch Bore...More Details »
Item #: 1M1A3
Condition:
New
Price: $409.99
GM Truck
Description: 8" dual diaphragm zinc-plated power brake booster, master cylinder, and disc/drum proportioning valve combo for 1960-1966 Chevrolet C10 or GMC. This 8" power booster is hand-polished before a...More Details »
Item #: 3U1A3
Condition:
New
Price: $419.99
Ford F100 Truck
Description: New 8" dual diaphragm zinc-plated power brake booster, master cylinder & 4 wheel disc proportioning valve combo. This 8" power booster is hand polished before a yellow zinc finish is applied for a...More Details »
Item #: E81A3
Condition:
New
Price: $495.99
Impala, Bel Air, Nomad, 210, 150
Description: New 8" Dual Diaphragm zinc plated power brake booster, master cylinder & disc/disc proportioning valve combo. This 8" power booster is hand polished before a yellow zinc finish is applied for a top...More Details »
Item #: 3M1A3
Condition:
New
Price: $419.99
Ford Full Size, Ford Galaxie
Description: New 8" Dual Diaphragm zinc plated power brake booster kit. This 8" 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 #: G8105
Condition:
New
Price: $434.99
Ford Full Size, Ford Galaxie
Description: New 8" Dual Diaphragm zinc plated power brake booster kit. This 8 inch Ford power booster is hand polished before a yellow zinc finish is applied for a top quality finish. The booster mounting...More Details »
Item #: G83A3
Condition:
New
Price: $494.99