Master Cylinders & Brake 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: Nov 12, 2026

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

Part Number: WIL-260-8556-BK

4.75 out of 5 stars ( 36 )

Estimated Ship Date: Wednesday 11/4/2026

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: Friday 11/6/2026

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

Part Number: WIL-260-8555-BK

4.48 out of 5 stars ( 21 )

Estimated Ship Date: Nov 16, 2026 if shipped by air

Master Cylinder, Tandem, Aluminum, Black Anodized, Kit

Part Number: WIL-261-13626-BK

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Nov 16, 2026 if shipped by air

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: Thursday 11/5/2026

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: Nov 12, 2026

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: Nov 12, 2026

Brake Booster, Hydraulic Brake Assist, Steel, Black, Master Cylinder, Chevy, Kit

Part Number: CLP-6474HBK-SB

4.33 out of 5 stars ( 15 )

Estimated Ship Date: Dec 21, 2026 if shipped by air

Master Cylinder, GS Compact Integral, Aluminum, Black, 0.750 in. Bore, Universal, Each

Part Number: WIL-260-15098

4.78 out of 5 stars ( 23 )

Estimated Ship Date: Wednesday 11/4/2026

Brake Booster, Hydrastop Hydraulic Brake Assist, Black, Steel Bracket and Natural Finish Solenoid, for 1.125 in. Bore MC, Chevy, L4, L6, V8, Kit

Part Number: CLP-6474HBKBSB

4.36 out of 5 stars ( 11 )

Estimated Ship Date: Nov 12, 2026

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: Nov 13, 2026

Master Cylinder, Power Brake Conversion, Dual Bowl, Cap, Reservoir, Booster, Chevy, GMC, Truck, Kit

Part Number: SUM-760197

4.68 out of 5 stars ( 60 )

Estimated Ship Date: Dec 22, 2026

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: Nov 16, 2026 if shipped by air

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: Nov 12, 2026

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

Part Number: WIL-260-9439-BK

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Nov 16, 2026 if shipped by air

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: Thursday 11/5/2026

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: Thursday 11/5/2026

Master Cylinder Pushrod, 3/8 in.-24 Thread, Steel, Kit

Part Number: WIL-330-13914

4.36 out of 5 stars ( 28 )

Estimated Ship Date: Nov 16, 2026 if shipped by air

Master Cylinder, Power Brake Conversion, Dual Bow 4 Wheel Disc, Cap, Reservoir, Booster, Black, Chevy, GM, A-Body, Kit

Part Number: SUM-760222-DD

Not Yet Reviewed

Estimated Ship Date: Monday 11/2/2026 if shipped by air

Brake Booster Rod, Installation, Extension Kit, Clevis (3), Pin, Threaded Rod, Kit

Part Number: SUM-760125

3.94 out of 5 stars ( 31 )

Estimated Ship Date: Dec 28, 2026 if shipped by air

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: Wednesday 11/4/2026

Master Cylinder, Alloy, Natural, Ball Burnished, 1 in. Bore, Universal, Each

Part Number: WIL-260-8555P

4.53 out of 5 stars ( 15 )

Estimated Ship Date: Nov 12, 2026

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: Nov 23, 2026 if shipped by air