1966 Master Cylinders & Boosters

Brake Booster, Hydraulic Brake Assist Power Brake Booster, Hydraulic, Buick, Chevrolet, Oldsmobile, Pontiac, Kit

Part Number: RSD-HBUK001

3.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Brake Booster, Hydraulic Brake Assist, Black, Steel Bracket and Natural Finish Solenoid, Chevelle, Nova, Camaro, Kit

Part Number: CLP-6474HBKBSB

4.22 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Brake Booster, Hydraulic Brake Assist, Billet Mount, Solenoid, Black, Camaro, Chevelle, Nova, Kit

Part Number: CLP-6474HBKBSS

4.75 out of 5 stars ( 4 )

Cannot be shipped Internationally

• Restricted
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Master Cylinder, Aluminum/Steel, Chrome, 8 in. Booster, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: RSD-J81315672

4.13 out of 5 stars ( 16 )

Estimated Ship Date: Today

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Master Cylinder, Compact, Aluminum, Black E-Coat, 0.938 in. Bore, with Pushrod, Proportioning Valve, Fluid Tubes, Left Hand Bracket, Mustang, Kit

Part Number: WIL-261-15523-BK

Not Yet Reviewed

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Master Cylinder, Compact, Aluminum, Black E-Coat, 1.000 in. Bore, with Pushrod, Proportioning Valve, Fluid Tubes, Left Hand Bracket, Mustang, Kit

Part Number: WIL-261-15544-BK

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Master Cylinder, Compact, Aluminum, Polished, 1.00 in. Bore, Mopar, Kit

Part Number: WIL-261-17319-P

Not Yet Reviewed

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Brake Booster, Hydraulic Brake Assist, Steel Bracket and Natural Finish Solenoid, Chevy, Kit

Part Number: CLP-6570HBKBSB

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: WIL-261-15522-BK

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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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

Not Yet Reviewed

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Power Brake Booster, 1963-66 Chevrolet, GMC Hydraulic Brake Assist unit w/ Brackets

Part Number: RSD-HBUK6366

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Master Cylinder, Compact, Aluminum, Black, 4 Hole Mount, 15/16 in. Bore, 1.100 in. Stroke, 1/2 in.-20 Outlet, Proportioning Valve, Pushrod, Mopar, Kit

Part Number: WIL-261-17796-BK

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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-A8471

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: LEB-6JF94

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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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Master Cylinder and Booster, Aluminum/Steel, Chrome, 8 in. Booster, Chevy, Kit

Part Number: RSD-J84315672

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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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-A9FB2

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Master Cylinder, Compact, Aluminum, Chrome, 4 Hole Mount, 1.00 in. Bore, 1.10 in. Stroke, 1/2 in.-20 Outlet, Proportioning Valve, Pushrod, Mopar, Kit

Part Number: WIL-261-17797-P

Not Yet Reviewed

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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-A9605

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

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• Special Order

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

Part Number: LEB-FC0043HK

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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

Part Number: LEB-4N6B4

Not Yet Reviewed

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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: Today

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

Part Number: LEB-A9FB4

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: LEB-A96B4

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Dec 15, 2025 if ordered today

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Master Cylinder, Compact, Aluminum, Black E-Coat, 1.120 in. Bore, with Pushrod, Proportioning Valve, Fluid Tubes, Left Hand Bracket, Mustang, Kit

Part Number: WIL-261-15545-BK

Not Yet Reviewed

Estimated Ship Date: Today

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