1970 BUICK GS 455 Master Cylinders & Boosters

Power Brake Booster, 11 in. Diameter, Cadmium Plated, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: RSD-RPB1003

4.54 out of 5 stars ( 67 )

Estimated Ship Date: Monday 1/19/2026

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Brake Master Cylinder, 1.125 in. Bore, Cast Iron, AMC, Buick, Cadillac, Checker, Chevy, GMC, Jeep, Oldsmobile, Pontiac, Each

Part Number: ADO-18M1878

4.61 out of 5 stars ( 44 )

Estimated Ship Date: Monday 1/19/2026

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

Part Number: LEB-2N6B4

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 1/19/2026

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Master Cylinder, Brakes, Front Disc/Rear Drum, for Power Brakes, Single Bail, Dual Reservoir, Short Pocket, Iron, Natural, GM, Each

Part Number: RSD-DBMC01

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 1/19/2026

Master Cylinder, Brake Booster, Aluminum, Steel, Natural, Black, 9 in. Diameter, Buick, Chevrolet, Oldsmobile, Pontiac, Kit

Part Number: DSR-050109DS

Not Yet Reviewed

Estimated Ship Date: Monday 1/19/2026

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

Part Number: LEB-1K1A3

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Estimated Ship Date: Monday 1/19/2026

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

Part Number: LEB-2F6

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 1/19/2026

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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-2N6B2

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/19/2026

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

Part Number: LEB-1M

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/19/2026

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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-2F6B2

Not Yet Reviewed

Estimated Ship Date: Monday 1/19/2026

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Mounting Brackets, Brake Booster, Steel, Black, Angled, GM, A/F-Body, Pair

Part Number: SUM-760132-BLK

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 1/19/2026

Brake Booster, Vacuum Single Diaphragm, Steel, Gold, 9.00 in. Diameter, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: RSD-PB9002

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/19/2026

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

Part Number: LEB-2N

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Estimated Ship Date: Monday 1/19/2026

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Brake Master Cylinder, Hydraulic Upgrade, Manual, 1.000 in. Bore, Dual Bowl Design, Cast Iron, Natural, Reservoir with Disc/Disc Valve, Kit

Part Number: LEB-FC1008HK

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Estimated Ship Date: Monday 1/19/2026

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Power Brake Booster, 11 in. Diameter, Chrome Plated, Buick, Chevy, Oldsmobile, Pontiac, Each

Part Number: RSD-RPB1003C

4.42 out of 5 stars ( 12 )

Estimated Ship Date: Monday 1/19/2026

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Brake Master Cylinder, Element3, Each

Part Number: AGB-MC36306

Not Yet Reviewed

Estimated Ship Date: Monday 1/19/2026

Mounting Brackets, Brake Booster, Angled, GM, A/F-Body, Pair

Part Number: SUM-760132

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/19/2026

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

Part Number: LEB-1E

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/19/2026

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Brake Master Cylinder, Hydraulic Upgrade, Manual, 1.000 in. Bore, Dual Bowl Design, Cast Iron, Natural, Reservoir with Disc/Drum Valve, Kit

Part Number: LEB-FC1007HK

Not Yet Reviewed

Estimated Ship Date: Monday 1/19/2026

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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-2L6B2

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/19/2026

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

Part Number: LEB-1E1

Not Yet Reviewed

Estimated Ship Date: Monday 1/19/2026

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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

Not Yet Reviewed

Estimated Ship Date: Feb 25, 2026 if ordered today

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Master Cylinder and Brake Booster Assembly, 1.125 in. Bore, 8.00 in. Booster Diameter, Chevy, Pontiac, Kit

Part Number: RSD-J813151

3.6 out of 5 stars ( 5 )

Estimated Ship Date: Monday 1/19/2026

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Power Brake Booster, Gold, 9 in. Delco Style Booster, with Stamp

Part Number: RSD-RPB9016

3.92 out of 5 stars ( 12 )

Estimated Ship Date: Monday 1/19/2026

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