Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
Availability
BUICK GS Brake Systems
9 in. Booster, Chrome, Firewall Mount, Dual Bowl Master Cylinder, Cast iron, Natural, Non-Adjustable Proportioning Valve, Disc/Drum, Kit
Part Number: LEB-2FBB2
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
8 in. Booster, Zinc, Firewall Mount, Dual Bowl Master Cylinder, Cast iron, Natural, Disc/Drum or Disc/Disc, Kit
Part Number: LEB-1M1
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Disc Brake Kit, Front Conversion, Manual, Cross-Drilled/Slotted Rotors, Vented, Cast Iron Calipers, Black, 2 in. Drop Spindles, 5 x 4.75 in., Kit
Part Number: LEB-BFC1003-3A1X
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
9 in. Booster, Chrome, Firewall Mount, Dual Bowl Master Cylinder, Aluminum, Chrome, Adjustable Proportioning Valve, Disc/Drum or Disc/Disc, Kit
Part Number: LEB-2F605
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Summit Racing™ Master Cylinder and Brake Booster Combos SUM-760225
Estimated Ship Date: Today
Disc Brake Kit, Front Conversion, Power Assist, Cross-Drilled/Slotted Rotors, Cast Iron Calipers, Zinc Plated, 2 in. Drop Spindle, 5 x 4.75 in., Kit
Part Number: LEB-FC1003-M1A1X
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Disc Brake Kit, Front Conversion, Power Assist, Cross-Drilled/Slotted Rotors, Cast Iron Calipers, Zinc Plated, 2 in. Drop Spindle, 5 x 4.75 in., Kit
Part Number: LEB-FC1003-E1A3X
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Disc Brake Kit, Front Conversion, Power Assist, Solid Surface Rotors, Cast Iron Calipers, Zinc Plated, 2 in. Drop Spindle, 5 x 4.75 in., Kit
Part Number: LEB-FC1003-N605
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Disc Brake Kit, Front Conversion, Power Assist, Cross-Drilled/Slotted Rotors, Cast Iron Calipers, Zinc Plated, 2 in. Drop Spindle, 5 x 4.75 in., Kit
Part Number: LEB-FC1003-L605X
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Disc Brake Kit, Front Conversion, Power Assist, Cross-Drilled/Slotted Rotors, Cast Iron Calipers, Zinc Plated, 2 in. Drop Spindle, 5 x 4.75 in., Kit
Part Number: LEB-FC1003-K1A3X
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Disc Brake Kit, Front Conversion, Manual, Solid Surface Rotors, Cast Iron Calipers, Zinc Plated, 2 in. Drop Spindles, 5 x 4.75 in. Bolt Pattern, Kit
Part Number: LEB-FC1003-305
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Disc Brake Kit, Front Conversion, Power Assist, Cross-Drilled/Slotted Rotors, Cast Iron Calipers, Zinc Plated, Stock Ride Height, 5 x 4.75 in., Kit
Part Number: LEB-FC1002-K1A3X
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Disc Brake Kit, Front Conversion, Manual, Cross-Drilled/Slotted Rotors, Vented, Cast Iron Calipers, Zinc Plated, 2 in. Drop Spindle, 5 x 4.75 in., Kit
Part Number: LEB-FC1003-3A3X
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Disc Brake Kit, Front Conversion, Manual, Solid Surface Rotors, Cast Iron Calipers, Zinc Plated, 2 in. Drop Spindles, 5 x 4.75 in. Bolt Pattern, Kit
Part Number: LEB-FC1003-FA3
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Disc Brake Kit, Front Conversion, Power Assist, Cross-Drilled/Slotted Rotors, Cast Iron Calipers, Zinc Plated, 2 in. Drop Spindle, 5 x 4.75 in., Kit
Part Number: LEB-FC1003-L6B4X
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Disc Brake Kit, Front Conversion, Power Assist, Cross-Drilled/Slotted Rotors, Cast Iron Calipers, Zinc Plated, Stock Ride Height, 5 x 4.75 in., Kit
Part Number: LEB-FC1002-LB05X
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Disc Brake Kit, Front Conversion, Power Assist, Cross-Drilled/Slotted Rotors, Cast Iron Calipers, Black Powdercoated, 2 in. Drop Spindles, Kit
Part Number: LEB-BFC1003M1A3X
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Disc Brake Kit, Front Conversion, Power Assist, Cross-Drilled/Slotted Rotors, Cast Iron Calipers, Black Powdercoated, Stock Ride Height, Kit
Part Number: LEB-BFC1002F6B2X
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Disc Brake Kit, Front Conversion, Power Assist, Solid Surface Rotors, Cast Iron Calipers, Zinc Plated, 2 in. Drop Spindle, 5 x 4.75 in., Kit
Part Number: LEB-FC1003-M105
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Disc Brake Kit, Front Conversion, Cross-Drilled/Slotted Rotors, Vented, Cast Iron Calipers, Red Powdercoated, Stock Ride Height, 5 x 4.75 in., Kit
Part Number: LEB-RFC1002N6B4X
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Disc Brake Kit, Front Conversion, Power Assist, Cross-Drilled/Slotted Rotors, Cast Iron Calipers, Red Powdercoat, Stock Ride Height, 5 x 4.75 in. Kit
Part Number: LEB-RFC1002M105X
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Brake Master Cylinder, Hydraulic Upgrade, 1.000 in. Bore, Dual Bowl Design, Aluminum, Chrome, Side Mount Flat Top Master Cylinder, Kit
Part Number: LEB-FC1014HK
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Disc Brake Kit, Front Conversion, Power Assist, Solid Surface Rotors, Cast Iron Calipers, Zinc Plated, 2 in. Drop Spindle, 5 x 4.75 in., Kit
Part Number: LEB-FC1003-NBB2
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Disc Brake Kit, Front Conversion, Power Assist, Solid Surface Rotors, Cast Iron Calipers, Zinc Plated, 2 in. Drop Spindle, 5 x 4.75 in., Kit
Part Number: LEB-FC1003-NB05
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Brake Master Cylinder, Hydraulic Upgrade, Manual, 1.000 in. Bore, Dual Bowl Design, Cast Iron, Chrome Lid, Reservoir with disc/Drum Valve, Kit
Part Number: LEB-FC1010HK
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
Disc Brake Kit, Front Conversion, Power Assist, Cross-Drilled/Slotted Rotors, Cast Iron Calipers, Zinc Plated, 2 in. Drop Spindle, 5 x 4.75 in., Kit
Part Number: LEB-FC1003-N605X
Not Yet Reviewed
Estimated Ship Date: May 18, 2026 if ordered today
Estimated Ship Date: May 18, 2026 if ordered today
