Summit Racing SpeedCard - learn how to get 10% back up to $100

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MERCURY CYCLONE Master Cylinders & Boosters

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Results 1 - 12 of 12

Summit Racing™ Power Brake Boosters

A Summit Racing™ power brake booster is the perfect addition to your street rod or custom application. The boosters use vacuum from the engine, or a standalone pump, to assist in slowing down the vehicle as you depress the brakes. This makes the brake pedal much easier to press and improves the braking response of the vehicle. These power brake boosters are available in multiple diameters, in single or dual-diaphragm designs to best fit your application. Choose between the brake booster only; or the brake booster and brake pedal rod extension kit, which makes installation even easier.

4.26 out of 5 stars ( 98 )

$182.99

LEED Brakes Manual Dual-Bowl Master Cylinder Upgrade Kits

LEED Brakes manual dual-bowl master cylinder upgrade kits will allow you to upgrade your factory single-bowl manual brake car to dual-bowl in no time! In each of these kits, you receive the brake line necessary to route from the new master cylinder to your factory distribution block. LEED also includes an adjustable combination valve to allow you to fine tune the amount of pressure your rear brakes receive in order to prevent rear wheel lockup. For those cars that require a pressure switch to activate the taillights, these combination blocks have one built-in to provide an easy connection.

4.0 out of 5 stars ( 12 )

$209.99

$299.99

LEED Brakes Power Brake Quick Install Kits

Power brake quick install kits mount directly to the firewall and provide top-quality braking power. Everything is needed in these kits for a quick and easy swap. Don't let your old brakes be an issue anymore—come to a halt with LEED!

3.0 out of 5 stars ( 11 )

$479.99

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!

4.53 out of 5 stars ( 90 )

$499.99

The Right Stuff Master Cylinder and Booster Assemblies

Are you pushing the brake to the floor? That's a clear warning sign that it's time for The Right Stuff master cylinder and booster assemblies. Depending on disc-disc or disc-drum applications, some Right Stuff replacement assemblies include a proportioning valve with a bracket and stainless steel lines. Slowing your vehicle to a safe, efficient stop is much easier with a new master cylinder and booster assembly from The Right Stuff.

4.01 out of 5 stars ( 362 )

$313.15

$347.75

LEED Brakes Hydraulic Master Cylinder Upgrade Kits

Upgrade your car to a dual-bore master cylinder with LEED Brakes hydraulic master cylinder upgrade kits. These kits will allow you to upgrade your factory manual brake car to dual-bowl manual brakes in no time! In each kit, you'll receive the master cylinder and hardware needed for an easy installation. Where applicable, the LEED Brakes kits will include either an adjustable valve or pre-set proportioning valve to work with your application. The adjustable valve allows you to fine-tune the amount of the pressure your rear brakes receive to prevent rear wheel lockup. Master cylinders are available in a variety of sizes, materials, and finishes. Order the model recommended for your vehicle.

4.38 out of 5 stars ( 16 )

$194.99

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.

4.32 out of 5 stars ( 245 )

$259.99

Raybestos Element3 Brake Master Cylinders

Raybestos Element3 brake master cylinders are manufactured from precision castings for an exact match to your OE design. Their casting design features a reduced weight that does not stress the brake booster mounting. Raybestos offers more than 1,600 replacement models for vehicle dating from 1947 and up. Order the size and specs recommended for your application. When using Element3 brake products, you can be certain that your replacement brake components will perform as well as your original equipment.

4.22 out of 5 stars ( 107 )

$79.99

$88.99

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 ( 276 )

$43.99

$60.99

Summit Racing™ Master Cylinders

Do you have that slow, sinking feeling when you hit the brakes? Maybe you need to replace your master cylinder. Summit Racing™ master cylinders are great replacements for your power disc brakes. These cast iron master cylinders have a dual bowl design with a natural finish and will maintain the proper amount of pressure that you need for braking. Whether you're replacing or choosing a master cylinder for your rod, Summit Racing™ can help.

2.33 out of 5 stars ( 3 )

$138.99

Dorman Master Cylinder Reservoir Cover Gaskets

Dorman master cylinder reservoir cover gaskets are designed to keep brake fluid where it's supposed to be. They are manufactured from OEM-quality rubber and install easily on the factory master cylinder reservoir cover. Dorman brake master cylinder cap gaskets protect braking system by providing a tight seal against the elements. The gaskets are available for a variety of styles and configurations to fit your specific OEM master cylinder reservoir cover.

4.17 out of 5 stars ( 29 )

$6.99

Summit Bucks

ACDelco Gold Brake Master Cylinders

ACDelco Gold brake master cylinders use both aluminum and iron castings, making them a high-quality replacement for many vehicles on the road today. These master cylinders contain both ethylene propylene and styrene butadiene rubber components to provide superior resistance to heat, corrosion, and leakage. ACDelco Gold brake master cylinders ready to bench bleed and install right out of the box! They're manufactured to exceed your expectations for fit and performance; order the model recommended for your application.

4.3 out of 5 stars ( 113 )

$57.99

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