GMC TRUCK Master Cylinders & Boosters Brake Systems

Summit Racing™ Power Brake Conversion Kits

Summit Racing™ power brake conversion kits create more stopping power. Upgrading your classic to power brakes is smart—and safer! Many older vehicles used single-reservoir master cylinders. Our conversion kits feature dual reservoir cast iron master cylinders. All parts are brand new, available for many applications from the 1940s and up, and some kits may include pedal rod extensions and mounting hardware.

4.0 out of 5 stars ( 334 )

$195.99

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$215.99

The Right Stuff Master Cylinders

The Right Stuff master cylinders are completely new units with no core charge. They offer a wide variety of designs to provide compatibility with manual brakes as well as power-assisted applications. Available in aluminum and cast iron, in single or dual reservoir configurations with several bore diameters to accommodate front disc/rear drum brakes or 4-wheel disc systems, they are also offered in a variety of finishes and lid attachment styles. Whether you're building a brake system from scratch, or updating a vintage system, The Right Stuff probably has what you need for your make and model.

4.31 out of 5 stars ( 252 )

$71.99

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$283.95

Brothers Trucks Firewall Brake Conversions

Brothers Trucks offers firewall-mounted power brake conversions for a variety of vehicles, including many Chevy and GMC models from the 1940s thru the 1980s. Kits include a triangulated firewall bracket with swing pedal assembly, 8 in. single diaphragm brake booster, dual reservoir master cylinder, proportioning valve and lines. Conversion kits are available for disc/disc, disc/drum, and drum/drum applications. (Drum/drum applications do not include proportioning valve or lines.)

Not Yet Reviewed

$486.95

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$536.95

Dorman Brake Master Cylinders

Are you looking for a replacement brake master cylinder for your brake system? Dorman has you covered with their OEM replacement Dorman brake master cylinders. Dorman brake master cylinders deliver increased performance and reliability. Dorman has industry-leading brake master cylinder application coverage that is second to none. If you want maximum performance from your brake system, then you need one of these Dorman brake master cylinders.

4.48 out of 5 stars ( 279 )

$109.99

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$124.99

Brothers Trucks Master Cylinders

Brothers Trucks offers master cylinders for a wide range of vehicles, including many Chevrolet and GMC trucks from the 1950s and '60s. These are direct-fit replacement cast iron brake master cylinders for 1/2-ton, 3/4-ton, and 1-ton trucks that are using the stock brake system with a single reservoir. Each order includes cap and dust boot.

1.0 out of 5 stars ( 1 )

$101.95

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$334.95

Tuff Stuff Performance Brake Master Cylinders

Tuff Stuff Performance brake master cylinders are top-of-the-class, high performance pieces that are not only attractive, but also reliable to help get you home safely. These master cylinders are built from hefty cast iron and aluminum materials to exceed OEM specifications and then tested before shipping to provide you with maximum dependability. They come available in natural, polished, and buffed or triple chrome plate finishes, making your hot rod look good under the hood.

4.24 out of 5 stars ( 89 )

$108.99

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$168.99

Brothers Trucks Remote Master Cylinder Reservoir Kits

Brothers Trucks offers remote master cylinder reservoir kits for a variety of applications, including many Chevy and GMC trucks from the 1940s, '50s, '60s, '70s, and '80s. Maybe your frame-mounted master cylinder is tough to check or refill with brake fluid. These kits can convert your standard dual master cylinder to a remote reservoir unit mounted up higher in the engine compartment for easy access. They work with both manual and power brakes. Each kit includes a polished billet aluminum cap, chrome bails, gasket, hose, and plastic reservoir.

3.0 out of 5 stars ( 1 )

$157.95

Clearance

LEED Brakes Power Brake Boosters

LEED Brakes power brake boosters work great as an upgrade from manual to power brakes. Options for factory replacement brake boosters available for many applications. Constructed from quality steel, these power brake boosters mount directly to your firewall and are offered in different styles and diameters to suit your application. A brake pedal rod extension is also included.

4.39 out of 5 stars ( 54 )

$239.99

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$349.99

Classic Performance Master Cylinder and Brake Booster Kits

Classic Performance master cylinder and brake booster kits will increase your stopping power and braking consistency. They are available with either single or dual-diaphragm styles in a standard gold zinc or optional chrome or stainless steel finishes. These kits use a standard mounting pattern, which allows them to interchange and work on several different mounting configurations. With the improved proper pedal ratio, you'll get a higher, firmer, and safer pedal.

3.76 out of 5 stars ( 33 )

$388.99

LEED Brakes Master Cylinder and Brake Booster Combos

LEED master cylinder and brake booster combos deliver top-quality braking power and are designed to mount directly to your factory firewall. The Leeds brake booster assemblies work great as factory replacements or an upgrade from manual to power brakes. Make your quick stops effective and safe with LEED combo kits!

4.49 out of 5 stars ( 94 )

$319.99

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$524.99

Brothers Trucks Dual Master Cylinder Brackets

Brothers Trucks dual master cylinder brackets are essential parts for upgrading classic 1955-59 Chevy and GMC trucks from old, unsafe single-reservoir brake systems to modern, safer dual-reservoir master cylinders. This allows for independent front/rear braking and easy conversion to disc brakes, making it a popular safety upgrade for vintage truck owners. Additional details: * This adapter bracket is designed to mount a newer, safer dual-chamber master cylinder onto the firewall of older trucks where a single cylinder was originally used * A dual master cylinder splits the braking system; if one circuit fails (e.g., a leak), the other still works, preventing total brake loss * Provides peace of mind with redundant braking circuits * Allows for easier conversion to front disc brakes, which offer better stopping power than drums * Can be used with or without a power brake booster * This bracket is a must-have component for classic truck enthusiasts who want to improve their vehicle's stopping power and safety by swapping out outdated single-circuit brakes for reliable dual-circuit brakes, often while adding front disc brakes

Not Yet Reviewed

$136.95