8-Inch Zinc Dual Power Brake Booster with 1-1/8 Inch Bore Master Cylinder and Side-Mount Valve for Disc/Disc Brakes on 1955-1968 Chevrolet

Enhance the braking performance of your 1955–1968 Chevrolet with LEED Brakes' premium 8-inch zinc dual diaphragm power brake booster kit. This high-quality kit features a hand-polished 8-inch power booster finished with a durable yellow zinc coating for superior corrosion resistance and a clean under-hood appearance. Designed for direct mounting to your factory firewall, this power brake booster provides a precise fit and reliable performance.

Also included in this dual diaphragm booster kit is a 1-1/8 inch bore cast iron master cylinder and side-mount proportioning valve engineered specifically for four-wheel disc brake applications. LEED Brakes designed this kit to deliver consistent, powerful, and balanced braking performance for your classic Chevrolet.

1955–1968 Chevrolet 8-Inch Zinc Dual Diaphragm Power Brake Booster Kit Specifications

• Master Cylinder Bore Size: 1-1/8 in
• Bowl Design: Dual Bowl
• Master Cylinder Material: Cast Iron
• Master Cylinder Finish: Natural
• Reservoir Included: Yes
• Reservoir Material: Cast Iron
• Master Cylinder Cap Included: Yes
• Brake Booster Type: Dual Diaphragm
• Brake Booster Diameter: 8 in.
• Brake Booster Material: Steel
• Brake Booster Finish: Zinc
• Brake Pedal Rod Extension Included: Yes
• Mounting Hardware Included: Uses Original
• Quantity: Kit

Choose LEED Brakes for high-quality braking components that provide dependable stopping power and long-term reliability for your 1955–1968 Chevrolet.

LEED Brakes Pushrod Measuring Tool PSA 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 verify measuring tool accuracy.

Click here to learn more about why LEED Brakes has added this warning to their products.