1966 Master Cylinders & Boosters

8 in. Booster, Zinc, Firewall Mount, Dual Bowl Master Cylinder, Cast iron, Natural, Adjustable Proportioning Valve, Edsel, Ford, Mercury, Kit

Part Number: LEB-FC0024HK

4.4 out of 5 stars ( 5 )

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Brake Master Cylinder, Single Bowl Design, Cast Iron, Natural, 1.000 in. Bore, AMC, Jeep, Nash, Studebaker

Part Number: DHB-M2796

5.0 out of 5 stars ( 12 )

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Master Cylinder and Brake Booster Assembly, Dual Bowl Design, 1.125 in. Bore, Buick, Chevy, Olds, Pontiac, Kit

Part Number: RSD-G81310971

5.0 out of 5 stars ( 8 )

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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-E81F7

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

Part Number: LEB-ET6F7

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Estimated Ship Date: Feb 6, 2026 if ordered today

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Master Cylinder and Brake Booster Assemblies, 1 in. Bore, 7 in. Brake Booster, Steel, Black, Ford, Kit

Part Number: SUM-760224

3.67 out of 5 stars ( 3 )

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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: Feb 6, 2026 if ordered today

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Brake Booster Mounting Brackets, Steel, Black Powdercoated, Each

Part Number: LEB-FTB5772-1

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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-B83

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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: Feb 6, 2026 if ordered today

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

Part Number: LEB-G8

5.0 out of 5 stars ( 1 )

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Brake Master Cylinder, Element3, Buick, Chevy, GMC, Jeep, Oldsmobile, Pontiac, Each

Part Number: AGB-MC36006

5.0 out of 5 stars ( 3 )

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

Part Number: LEB-4R605

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 6, 2026 if ordered today

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Master Cylinder and Brake Booster Assembly, Dual Bowl, Aluminum Cylinder, Steel Booster, 8.00 in. Diameter, Black, Buick, Chevy, Olds, Pontiac, Kit

Part Number: RSD-B81315171

3.0 out of 5 stars ( 1 )

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Brake Master Cylinder, Hydraulic Upgrade, 1.000 in. Bore, Dual Bowl Design, Aluminum, Chrome, Flat Top, Adjustable Proportioning Valve, Kit

Part Number: LEB-FC1015HK

5.0 out of 5 stars ( 1 )

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Master Cylinder, Cast Iron, Chrome, Short Pocket, Chevy/GMC, Each

Part Number: RSD-DBMC02C

4.47 out of 5 stars ( 15 )

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

Part Number: LEB-4L6B2

1.0 out of 5 stars ( 1 )

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Master Cylinder, Dual Bowl, 15/16 in. Bore, Cast Iron, Chrome, Reservoir, Manual, Dodge, Plymouth, Each

Part Number: RSD-DBMC15C

4.0 out of 5 stars ( 4 )

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

Part Number: LEB-6J

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Master Cylinders, Manual Dual-Bowl Master Cylinder Upgrade Kits, Brake Usage, 1.000 in. Bore, Iron, Natural, Reservoir, Ford, Mercury, Each

Part Number: LEB-FC0026HK

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

Part Number: LEB-A9

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Brake Booster, Steel, Chrome, 9.0 in. Diameter, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: RSD-RPB9021C

3.6 out of 5 stars ( 5 )

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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-A9F05

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Estimated Ship Date: Feb 6, 2026 if ordered today

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

Part Number: LEB-2L605

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

Part Number: LEB-4N6B2

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