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Upgrade your braking system with LEED Brakes’ complete lineup of universal master cylinder kits, engineered to deliver reliable performance for disc/drum and disc/disc applications. Whether you’re converting to front disc brakes, refreshing an existing setup, or building a custom hot rod, these universal disc brake master cylinders provide the proper bore size, port configuration, and fluid capacity needed for modern stopping power.
Our master cylinder kits include options for 1-inch, 1-1/16 inch, and 1-1/8 inch bore sizes, with left-side outlets, flat-top designs, and integrated or adjustable proportioning valves for easy system balancing. Each LEED Brakes master cylinder is built to meet OE-level quality standards and is compatible with a wide range of classic GM, Ford, Mopar, and custom street rod applications.
If you are searching for a universal disc brake master cylinder that offers dependable performance, simplified installation, and a clean, functional design, this collection delivers proven solutions for a wide range of brake upgrades.
New 1" bore power or manual brake master cylinder with Chrome Cap and left side outlets, 9/16-18 & 1/2-20 outlets. Contact us for information on this GM 1-inch bore master cylinder.
Description: New 1" bore power or manual brake master cylinder with Chrome Cap and left side outlets, 9/16-18 & 1/2-20 outlets. Contact us for information on this GM 1-inch bore master cylinder.
Item #: MC00E
Condition: New
Price: $109.99
Drum Brakes Dual Bowl Master CylinderNew
New Dual Bowl Drum Brake Master Cylinder for 4 Wheel Drum Brake Systems
Description: New Dual Bowl Master Cylinder with 15/16 bore and 4 bolt flange
Item #: 491
Condition: New
Price: $144.99
Master Cylinder 1-1/16 inch bore Ford style left side outletsNew887753641656
New 1-1/16" bore power or manual brake master cylinder with left side outlets, 3/8-24 & 1/2-20 outlets.
If you are looking for a 1" Bore master use part number MC004
If you are looking f...
Description: New 1-1/16" bore power or manual brake master cylinder with left side outlets, 3/8-24 & 1/2-20 outlets.
If you are looking for a 1" Bore master use part number MC004
If you are looking...More Details »
Item #: MC012
Condition: New
Price: $79.99
Master Cylinder Kit - 1 inch Bore left port with adjustable valveNew887753636607
New 1" bore power brake master cylinder and adjustable proportioning valve. This 1-inch bore master cylinder is perfect for most front disc / rear drum or 4 wheel disc brake applications. Lookin...
Description: New 1" bore power brake master cylinder and adjustable proportioning valve. This 1-inch bore master cylinder is perfect for most front disc / rear drum or 4 wheel disc brake applications....More Details »
Item #: M_305
Condition: New
Price: $184.99
Master Cylinder Kit - 1 inch Bore left port with bottom mount adjustable proportioning valve - Disc/Drum & Disc/DiscNew887753636638
New 1" bore power brake master cylinder and adjustable proportioning valve. This Ford Falcon brake master cylinder is Perfect for most front disc / rear drum or 4 wheel disc brake applications. ...
Description: New 1" bore power brake master cylinder and adjustable proportioning valve. This Ford Falcon brake master cylinder is Perfect for most front disc / rear drum or 4 wheel disc brake applications....More Details »
Item #: M_4C7
Condition: New
Price: $299.99
Master Cylinder Kit - 1 inch Bore left port with side mount proportioning valve - Disc/DiscNew887753636621
New 1" bore power brake master cylinder and 4 wheel disc brake proportioning valve. This kit is a nice clean way to add a power brake 1-inch bore master cylinder with the correct proportioning valv...
Description: New 1" bore power brake master cylinder and 4 wheel disc brake proportioning valve. This kit is a nice clean way to add a power brake 1-inch bore master cylinder with the correct proportioning...More Details »
Item #: M_3A3
Condition: New
Price: $289.99
Master Cylinder Kit - 1 inch Bore left port with side mount proportioning valve - Disc/DrumNew887753636614
New 1" bore power brake master cylinder and front disc / rear drum brake proportioning valve. This kit is a nice clean way to add a power Corvette brake master cylinder with the correct proportioni...
Description: New 1" bore power brake master cylinder and front disc / rear drum brake proportioning valve. This kit is a nice clean way to add a power Corvette brake master cylinder with the correct...More Details »
Item #: M_3A1
Condition: New
Price: $289.99
Master Cylinder Kit - 1-1/8 inch Bore Flat Top left port with bottom mount proportioning valve - Disc/DiscNew887753636652
New 1-1/8" bore chrome flat top power brake master cylinder and 4 wheel disc brake proportioning valve. This kit is a nice clean way to add a power brake 1-1/8-inch master cylinder with the correct...
Description: New 1-1/8" bore chrome flat top power brake master cylinder and 4 wheel disc brake proportioning valve. This kit is a nice clean way to add a power brake 1-1/8-inch master cylinder with the correct...More Details »
Item #: M_694
Condition: New
Price: $379.99
Master Cylinder Kit - 1-1/8 inch Bore Flat Top, left port with bottom mount proportioning valve - Disc/DrumNew887753636645
New 1-1/8" bore chrome flat top power brake master cylinder with front disc / rear drum brake proportioning valve. This chrome master cylinder kit is a nice clean way to add a power brake master cy...
Description: New 1-1/8" bore chrome flat top power brake master cylinder with front disc / rear drum brake proportioning valve. This chrome master cylinder kit is a nice clean way to add a power brake master...More Details »
Item #: M_692
Condition: New
Price: $379.99
Master Cylinder Kit - 1-1/8 inch Bore Flat Top, left port with side mount proportioning valve - Disc/DrumNew887753636669
New 1-1/8" bore chrome flat top power brake master cylinder and front disc / rear drum brake proportioning valve. This kit is a nice clean way to add a power, aluminum master cylinder with the corr...
Description: New 1-1/8" bore chrome flat top power brake master cylinder and front disc / rear drum brake proportioning valve. This kit is a nice clean way to add a power, aluminum master cylinder with the...More Details »
Item #: M_6B2
Condition: New
Price: $379.99
Master Cylinder Kit - 1-1/8 inch Bore left port with adjustable valveNew887753636546
New 1-1/8" bore power brake master cylinder and adjustable proportioning valve. This cast iron master cylinder is perfect for most front disc / rear drum or 4 wheel disc brake applications. Look...
Description: New 1-1/8" bore power brake master cylinder and adjustable proportioning valve. This cast iron master cylinder is perfect for most front disc / rear drum or 4 wheel disc brake applications....More Details »
Item #: M_105
Condition: New
Price: $179.99
Master Cylinder Kit - 1-1/8 inch Bore left port with bottom mount proportioning valve - Disc/DiscNew887753636560
New 1-1/8" bore power brake master cylinder and 4 wheel disc brake proportioning valve. This kit is a nice clean way to add a power, 4-wheel disc brake master cylinder with the correct proportionin...
Description: New 1-1/8" bore power brake master cylinder and 4 wheel disc brake proportioning valve. This kit is a nice clean way to add a power, 4-wheel disc brake master cylinder with the correct...More Details »
Item #: M_183
Condition: New
Price: $289.99
Master Cylinder Kit - 1-1/8 inch Bore left port with bottom mount proportioning valve - Disc/DrumNew887753636553
New 1-1/8" bore power brake master cylinder kit and front disc / rear drum brake proportioning valve. This master cylinder kit is a nice clean way to add a power brake master cylinder with the corr...
Description: New 1-1/8" bore power brake master cylinder kit and front disc / rear drum brake proportioning valve. This master cylinder kit is a nice clean way to add a power brake master cylinder with the...More Details »
Item #: M_181
Condition: New
Price: $289.99
Master Cylinder Kit - 1-1/8 inch Bore left port with side mount proportioning valve - Disc/DiscNew887753636584
New 1-1/8" bore power brake master cylinder and 4 wheel disc brake proportioning valve. This kit is a nice clean way to add a power, 4-wheel disc master cylinder with the correct proportioning valv...
Description: New 1-1/8" bore power brake master cylinder and 4 wheel disc brake proportioning valve. This kit is a nice clean way to add a power, 4-wheel disc master cylinder with the correct proportioning...More Details »
Item #: M_1A3
Condition: New
Price: $289.99
Master Cylinder Kit - 1-1/8 inch Bore left port with side mount proportioning valve - Disc/DrumNew887753636577
New 1-1/8" bore power brake master cylinder and front disc / rear drum brake proportioning valve. This kit is a nice clean way to add a power, iron master cylinder with the correct proportioning va...
Description: New 1-1/8" bore power brake master cylinder and front disc / rear drum brake proportioning valve. This kit is a nice clean way to add a power, iron master cylinder with the correct proportioning...More Details »
Item #: M_1A1
Condition: New
Price: $289.99
Master Cylinder Kit - Chrome 1 inch Bore left port with adjustable valveNew887753636713
New Chrome Flat Top 1 inch bore master cylinder and adjustable proportioning valve. This chrome brake master cylinder is perfect for most front disc / rear drum or 4 wheel disc brake applications. ...
Description: New Chrome Flat Top 1 inch bore master cylinder and adjustable proportioning valve. This chrome brake master cylinder is perfect for most front disc / rear drum or 4 wheel disc brake applications....More Details »
Item #: M_F05
Condition: New
Price: $339.99
Master Cylinder Kit - Chrome 1 inch Bore left port with disc/disc valveNew887753636737
New Chrome Flat Top 1" bore power brake master cylinder and adjustable proportioning valve. This chrome booster master cylinder is perfect for most 4 wheel disc brake applications. Looking for r...
Description: New Chrome Flat Top 1" bore power brake master cylinder and adjustable proportioning valve. This chrome booster master cylinder is perfect for most 4 wheel disc brake applications. Looking for...More Details »
Item #: M_FB4
Condition: New
Price: $369.99
Master Cylinder Kit - Chrome 1 inch Bore left port with disc/drum valveNew887753636720
New Chrome Flat Top 1" bore power brake master cylinder and adjustable proportioning valve. The Chevy master cylinder is perfect for most front disc / rear drum brake applications. Looking for r...
Description: New Chrome Flat Top 1" bore power brake master cylinder and adjustable proportioning valve. The Chevy master cylinder is perfect for most front disc / rear drum brake applications. Looking for...More Details »
Item #: M_FB2
Condition: New
Price: $369.99
Master Cylinder Kit – 1-1/8" Bore Flat Top with Side Mount Proportioning Valve for 4-Wheel Disc BrakesNew887753636676
Upgrade your 4-wheel disc brake system with LEED Brakes’ precision-engineered master cylinder kit featuring a built-in proportioning valve. This 1-1/8" bore chrome flat top master cylinder delive...
Description: Upgrade your 4-wheel disc brake system with LEED Brakes’ precision-engineered master cylinder kit featuring a built-in proportioning valve. This 1-1/8" bore chrome flat top master cylinder...More Details »
Item #: M_6B4
Condition: New
Price: $379.99
Single Bowl Master CylinderNew
New Single Bowl Master Cylinder for Drum Brake cars