1966 Master Cylinders & Boosters Brake Systems - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

LEED Brakes Master Cylinder and Brake Booster Combos 1M1A3

8 in. Booster, Zinc, Firewall Mount, Dual Bowl Master Cylinder, Cast iron, Natural, Non-Adjustable Proportioning Valve, Disc/Disc, Kit

Part Number: LEB-1M1A3

Not Yet Reviewed

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Summit Racing™ Power Brake Booster Mounting Brackets SUM-760200

Brake Booster Mounting Bracket, Steel, Black, Dodge, Plymouth, Each

Part Number: SUM-760200

5.0 out of 5 stars ( 2 )

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LEED Brakes Master Cylinder and Brake Booster Combos 3K1

7 in. Booster, Zinc, Firewall Mount, Dual Bowl Master Cylinder, Cast iron, Natural, Disc/Drum or Disc/Disc, Kit

Part Number: LEB-3K1

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Summit Racing™ Power Brake Booster Mounting Brackets SUM-760131-BLK

Mounting Brackets, Brake Booster, Steel, Black, Angled, GM, Pair

Part Number: SUM-760131-BLK

5.0 out of 5 stars ( 2 )

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LEED Brakes Master Cylinder and Brake Booster Combos 1M105

8 in. Booster, Zinc, Firewall Mount, Dual Bowl Master Cylinder, Cast iron, Natural, Adjustable Proportioning Valve, Disc/Drum or Disc/Disc, Kit

Part Number: LEB-1M105

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The Right Stuff Power Brake Booster Adapters BBK063

Power Brake Booster Adapter, Brake Booster Bracket for 1963-66 GM Trucks and Suburban

Part Number: RSD-BBK063

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LEED Brakes Master Cylinder and Brake Booster Combos FC2003HK

8 in. Booster, Zinc, Firewall Mount, Dual Bowl Master Cylinder, Cast iron, Natural, Adjustable Proportioning Valve, Drum/Drum, Kit

Part Number: LEB-FC2003HK

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

LEED Brakes Master Cylinder and Brake Booster Combos A81A1

8 in. Booster, Zinc, Firewall Mount, Dual Bowl Master Cylinder, Cast iron, Natural, Non-Adjustable Proportioning Valve, Disc/Drum, Kit

Part Number: LEB-A81A1

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

LEED Brakes Master Cylinder and Brake Booster Combos for 1964-1966 MUSTANG - 6JF92

7 in. Booster, Chrome, Firewall Mount, Dual Bowl Master Cylinder, Aluminum, Chrome, Non-Adjustable Proportioning Valve, Disc/Drum, Kit

Part Number: LEB-6JF92

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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LEED Brakes Master Cylinder and Brake Booster Combos A8473

8 in. Booster, Zinc, Firewall Mount, Dual Bowl Master Cylinder, Cast iron, Natural, Non-Adjustable Proportioning Valve, Disc/Disc, Kit

Part Number: LEB-A8473

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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Wilwood Aluminum Tandem Compact Master Cylinder Kits 261-17798-P

Master Cylinder, Compact, Aluminum, Chrome, Four Hole Mount, 1.000 in. Bore, 1.100 in. Stroke, 1/2 in.-20 Outlet, Proportioning Valve, Mopar, Kit

Part Number: WIL-261-17798-P

Not Yet Reviewed

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LEED Brakes Master Cylinder and Brake Booster Combos 1K105

7 in. Booster, Zinc, Firewall Mount, Dual Bowl Master Cylinder, Cast iron, Natural, Adjustable Proportioning Valve, Disc/Drum or Disc/Disc, Kit

Part Number: LEB-1K105

Not Yet Reviewed

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The Right Stuff Master Cylinder and Booster Assemblies J91025171

Master Cylinder and Brake Booster Assembly, Disc Brake Components, Chrome, 9 in. Booster, Dual Master Cylinder, Chrome, Kit

Part Number: RSD-J91025171

1.0 out of 5 stars ( 1 )

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LEED Brakes Master Cylinder and Brake Booster Combos PBKT2003-3

8 in. Booster, Zinc, Firewall Mount, Dual Bowl Master Cylinder, Cast iron, Natural, Drum/Drum, Kit

Part Number: LEB-PBKT2003-3

Not Yet Reviewed

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LEED Brakes Master Cylinder and Brake Booster Combos 2L6B4

7 in. Booster, Chrome, Firewall Mount, Dual Bowl Master Cylinder, Aluminum, Chrome, Non-Adjustable Proportioning Valve, Disc/Disc, Kit

Part Number: LEB-2L6B4

4.0 out of 5 stars ( 4 )

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Wilwood Aluminum Tandem Master Cylinders for 1965-1973 MUSTANG - 261-13272-P

Wilwood Aluminum Tandem Master Cylinders for 1965-1973 MUSTANG - 261-13272-P

Master Cylinder, Tandem, Ball Burnished, Black, 0.875 in. Bore, Proportioning Valve, Fluid Tubes, Kit

Part Number: WIL-261-13272-P

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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LEED Brakes Master Cylinder and Brake Booster Combos FC0041HK

7 in. Booster, Zinc, Firewall Mount, Dual Bowl Master Cylinder, Cast iron, Natural, Adjustable Proportioning Valve, Disc/Drum or Disc/Disc, Kit

Part Number: LEB-FC0041HK

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

LEED Brakes Power Brake Boosters G9

Brake Booster, Power Brake, Vacuum Dual Diaphragm, 8 in. Diameter, Steel, Chrome, Each

Part Number: LEB-G9

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Raybestos Element3 Brake Master Cylinders MC2796

Brake Master Cylinder, Element3, Replacement, Each

Part Number: AGB-MC2796

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

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LEED Brakes Master Cylinder and Brake Booster Combos 1M1A1

8 in. Booster, Zinc, Firewall Mount, Dual Bowl Master Cylinder, Cast iron, Natural, Non-Adjustable Proportioning Valve, Disc/Drum, Kit

Part Number: LEB-1M1A1

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

The Right Stuff Hydraulic Brake Assist Power Brake Booster Kits BHB015171

Brake Booster/Master Cylinder, 1967-74 GM A/F/X-Body, Black Hydraulic Brake Assist & Master Cylinder Combination Kit

Part Number: RSD-BHB015171

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

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Estimated Ship Date: Jan 21, 2026 if ordered today

The Right Stuff Master Cylinder and Booster Assemblies G84310572

Master Cylinder and Brake Booster Assembly, 1.000 in. Bore, 8.000 in. Booster Diameter, Chevy, Kit

Part Number: RSD-G84310572

Not Yet Reviewed

Estimated Ship Date: Jan 23, 2026 if ordered today

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Estimated Ship Date: Jan 23, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

The Right Stuff Master Cylinder and Booster Assemblies J84315171

4.75 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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Tuff Stuff Performance Brake Boosters 2226NC

Power Brake Booster, 9 in. Diameter, Stealth Black Powdercoated, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: TFF-2226NC

Not Yet Reviewed

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LEED Brakes Master Cylinder and Brake Booster Combos for 1960-1972 F-100 - E63A3

7 in. Booster, Zinc, Firewall Mount, Dual Bowl Master Cylinder, Cast iron, Natural, Non-Adjustable Proportioning Valve, Disc/Disc, Kit

Part Number: LEB-E63A3

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

LEED Brakes Power Brake Boosters 4L

Brake Booster, Power Brake, Vacuum Dual Diaphragm, 7 in. Diameter, Steel, Chrome, Each

Part Number: LEB-4L

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