8-Inch Chrome Dual Power Brake Booster, 1-1/8 Inch Bore Flat Top Master Cylinder with Side Mount Valve for Disc/Disc Brakes, 1955-1968 Chevrolet

Upgrade your 1955–1968 Chevrolet with the 8-Inch Chrome Dual Power Brake Booster, 1-1/8 Inch Bore Flat Top Master Cylinder, and Side-Mount Valve for Disc/Disc Brakes. This high-quality 8" dual diaphragm power brake booster is meticulously hand-polished before a durable chrome finish is applied, ensuring a premium appearance and long-lasting performance. Designed for a direct fit, this power brake booster mounts seamlessly to your factory firewall, making it an ideal upgrade for your classic vehicle.

Included in this comprehensive kit is a chrome 1-1/8" bore flat top master cylinder and proportioning valve, specifically engineered for 4-wheel disc brake applications, delivering improved braking control and safety.

Chrome 8" 4 Wheel Disc Brake Dual Booster & Side Valve for 1955-1968 Chevrolet Key Highlights:

• Master Cylinder Bore Size: 1-1/8 in


• Bowl Design: Dual Bowl


• Master Cylinder Material: Aluminum


• Master Cylinder Finish: Polished


• Reservoir Included: Yes


• Reservoir Material: Aluminum


• Master Cylinder Cap Included: Yes


• Brake Booster Type: Dual Diaphragm


• Brake Booster Diameter: 8 in.


• Brake Booster Material: Steel


• Brake Booster Finish: Chrome


• Brake Pedal Rod Extension Included: Yes


• Mounting Hardware Included: Uses Original


• Quantity: Kit

This complete kit from LEED Brakes provides everything needed for a reliable, high-performance brake system upgrade.

LEED Brakes Pushrod Measuring Tool Installation Video

All LEED Brakes booster and master cylinder assemblies are preset before shipping. Watch this short video to learn how to properly measure pushrod depth and how to quickly test your measuring tool for accuracy.

Learn more about LEED Brakes' Prop 65 warning.