1966 Master Cylinders & Boosters

Master Cylinder, Compact, Aluminum, Black E-Coat, 0.875 in. Bore, Proportioning Valve, with Pushrod, Fluid Tubes, Right Hand Bracket, Mustang, Kit

Part Number: WIL-261-15663-BK

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Estimated Ship Date: Mar 2, 2026 if ordered today

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

Part Number: LEB-3U

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 27, 2026 if ordered today

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8 in. Booster, Chrome, Firewall Mount, Dual Bowl Master Cylinder, Aluminum, Chrome, Adjustable Proportioning Valve, Disc/Drum or Disc/Disc, Kit

Part Number: LEB-4V605

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Estimated Ship Date: Mar 27, 2026 if ordered today

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

Part Number: LEB-4F6B2

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

Part Number: LEB-2F6B4

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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 )

Estimated Ship Date: Today

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Brake Booster Mounting Brackets, Steel, Black Powdercoated, Kit

Part Number: LEB-BKTB6677

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Estimated Ship Date: Mar 27, 2026 if ordered today

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Master Cylinder and Brake Booster Assembly, Street Beast Hydraulic Brake Assist, Black Booster, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: CLP-6570HBK-SB

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 30, 2026 if ordered today

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Brake Booster/Master Cylinder, 1963-66 GM & GMC C/K Truck, Hydraulic Brake Assist Upper Assembly Kit

Part Number: RSD-GHB630971

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Estimated Ship Date: Mar 10, 2026 if ordered today

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

Part Number: LEB-3U1A1

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Estimated Ship Date: Mar 27, 2026 if ordered today

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Brake Booster/Master Cylinder, Cast Iron, Natural, 1.125 in. Bore, Chevy, Kit

Part Number: TSB-A28138

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Estimated Ship Date: Mar 12, 2026 if ordered today

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Brake Master Cylinder Repair Kits, Professional, Stock Bore Size, AMC, Buick, Cadillac, Chevy, GMC, International, Jeep, Oldsmobile, Pontiac, Kit

Part Number: ADO-18G1228

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: LEB-1M1A1

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Estimated Ship Date: Mar 27, 2026 if ordered today

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Master Cylinder and Brake Booster Assembly, 1 in. Bore, 7 in. Booster Diameter, Ford, Kit

Part Number: CLP-5772BBD-7D

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Brake Booster Mounting Brackets, Steel, Natural, Pedal Pin Included, Ford, Each

Part Number: MGS-PB-2

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Estimated Ship Date: Mar 9, 2026 if ordered today

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Brake Booster with Master Cylinder, 7 in. Diameter, Gold Iridite, Ford, Kit

Part Number: CLP-6469BBMC

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Master Cylinder, Compact, Aluminum, Polished, 0.938 in. Bore, with Pushrod, Mustang, Each

Part Number: WIL-260-15521-P

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Estimated Ship Date: Tomorrow if ordered today

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Brake Booster, Vacuum Diaphragm Type, Steel, Gold Zinc Plated, 9 in. Diameter, Chevy, Each

Part Number: RSD-RPB9020

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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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-3E305

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Estimated Ship Date: Mar 27, 2026 if ordered today

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

Part Number: LEB-G83

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Estimated Ship Date: Mar 27, 2026 if ordered today

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Brake Booster, Power Brake, Vacuum Single Diaphragm, 9 in. Diameter, Steel, Chrome, Each

Part Number: LEB-4R

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Estimated Ship Date: Mar 27, 2026 if ordered today

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

Part Number: LEB-1K1A1

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Estimated Ship Date: Mar 27, 2026 if ordered today

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Power Brake Booster with Brake Master Cylinder Ford, Mercury

Part Number: RSD-Z64660971

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Estimated Ship Date: Mar 10, 2026 if ordered today

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Brake Master Cylinder Cap, Screw On, Steel, Chrome, Ford, Mercury, Each

Part Number: SDK-C5ZZ-2162-BC

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

Mounting Brackets, Brake Booster, Angled, GM, Pair

Part Number: SUM-760131

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Estimated Ship Date: Today