Master Cylinders & Boosters

Master Cylinder, Tandem, Aluminum, Black, 1.125 in. Bore, Proportioning Valve, Fluid Tubes, Kit

Part Number: WIL-261-13270-BK

4.75 out of 5 stars ( 32 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Master Cylinder, Tandem, Aluminum, Black, 1 in. Bore, Proportioning Valve, Kit

Part Number: WIL-261-13269-BK

4.59 out of 5 stars ( 22 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Master Cylinder, Alloy, Black Anodized, 1.12 in. Bore, Universal, Each

Part Number: WIL-260-8556-BK

4.73 out of 5 stars ( 33 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Master Cylinder, Tandem, Aluminum, Black Anodized, 1.00 in. Bore, Universal, Kit

Part Number: WIL-260-8555-BK

4.42 out of 5 stars ( 19 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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

Part Number: WIL-261-13271-BK

4.63 out of 5 stars ( 8 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Master Cylinder, Tandem, Aluminum, Black Anodized, Kit

Part Number: WIL-261-13626-BK

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Brake Master Cylinder, Tandem Compact M/C, Aluminum, Black E-Coat, 1 in. Bore, 1.100 in. Stroke, Two Mounting Holes, Each

Part Number: WIL-261-14963-BK

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Master Cylinder and Booster, 9 in. Booster, Single Diaphragm, 1 in. Bore, Gold, Disc/Disc, Kit

Part Number: RSD-G91210572

4.5 out of 5 stars ( 10 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Brake Master Cylinder, Tandem Compact ,Aluminum, Black E-Coat, 1.125 in. Bore, 1.1 in. Stroke, Each

Part Number: WIL-261-14964-BK

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Master Cylinder, Tandem, Aluminum, Ball Burnished, 1.125 in. Bore, Proportioning Valve, Fluid Tubes, Kit

Part Number: WIL-261-13270-P

4.93 out of 5 stars ( 14 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Master Cylinder and Booster, 9 in. Booster, Single Diaphragm, 1.125 in. Bore, Gold, Disc/Drum, Buick, Chevy, Pontiac, Oldsmobile, Kit

Part Number: RSD-G91020971

3.75 out of 5 stars ( 16 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Master Cylinder and Brake Booster Assemblies, Power Brake Conversion, 8 in. Booster, Disc/Drum, Ford, Kit

Part Number: SUM-760212

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Brake Master Cylinder, Tandem Compact, Aluminum, Black E-Coat, 1.125 in. Bore, 1.100 in. Stroke, Two Mounting Holes, Each

Part Number: WIL-260-14960-BK

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Master Cylinder, Tandem, Aluminum, Ball Burnished, 1 in. Bore, Proportioning Valve, Fluid Tubes, Kit

Part Number: WIL-261-13269-P

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Brake Master Cylinder, Tandem Compact M/C, Aluminum, Black E-Coat, 0.938 in. Bore, 1.100 in. Stroke, Two Mounting Holes, Each

Part Number: WIL-261-14962-BK

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Master Cylinder, Tandem, Aluminum, Black Anodized, 0.875 in. Bore, Universal, Kit

Part Number: WIL-260-9439-BK

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Master Cylinder, Aluminum, Natural, Ball Burnished Finish, 1.125 in. Bore, Universal, Each

Part Number: WIL-260-8556P

4.45 out of 5 stars ( 22 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Master Cylinder and Brake Boost Assembly, 1.125 in. Bore, Dual Bowl Design, Cast Iron Master Cylinder, Natural, 9 in., Steel Booster, Zinc Plated, Kit

Part Number: SUM-760228

4.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Master Cylinder, Dual Bowl Design, Aluminum, Black, 0.938 in. Bore Size, Reservoir, Ford, Each

Part Number: WIL-261-14158-BK

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Master Cylinder, Tandem, Aluminum, Natural, 1 in. Bore, Proportioning Valve, Fluid Tubes, Kit

Part Number: WIL-261-13269

4.7 out of 5 stars ( 10 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Master Cylinder, Tandem, Aluminum, Natural, 0.875 in. Bore, Universal, Kit

Part Number: WIL-260-9439

4.85 out of 5 stars ( 20 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Master Cylinder, Booster, Proportioning Valve, 9 in. Booster, 1.125 in. Bore, Gold, Disc/Drum, Buick, Chevy, Pontiac, Olds, Kit

Part Number: RSD-G91210971

4.28 out of 5 stars ( 25 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Brake Booster with Master Cylinder, Natural/Cadmium Plated, 11 in. Diameter, Chevy, Oldsmobile, Pontiac, Kit

Part Number: RSD-G10030572

4.54 out of 5 stars ( 28 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Master Cylinder, Tandem, Aluminum, Black E-coat, 1 in. Bore, Reservoirs, 7 oz. Each, Kit

Part Number: WIL-260-14243-BK

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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