9" Zinc-Plated Power Brake Booster with 1-1/8" Bore Master Cylinder for 1955-1968 Chevrolet

Upgrade your braking system with this LEED Brakes 9-inch zinc-plated power booster for cars, designed specifically for GM full-size Chevrolet models from 1955–1968. This booster and master cylinder combo is a direct bolt-on solution for improved braking performance and reliability on vehicles like the Impala, Bel Air, Biscayne, Caprice, 210, and 150.

The 9" car brake booster is made of steel, hand-polished, and finished in yellow zinc for long-lasting corrosion resistance and a polished look. It mounts directly to your factory firewall with no modifications required. Included is a new 1-1/8" bore cast iron master cylinder, compatible with both front disc/rear drum and 4-wheel disc brake systems—making this kit a great fit for classic car restoration or performance upgrades.

Key Features:

• 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: Single Diaphragm
• Brake Booster Diameter (in): 9 in.
• Brake Booster Material: Steel
• Brake Booster Finish: Zinc-Plated
• Brake Pedal Rod Extension Included: Yes
• Mounting Hardware Included: Uses Original
• Quantity: Kit

Vehicle Compatibility:

• Chevrolet Impala (1958–1968)
• Chevrolet Bel Air (1955–1968)
• Chevrolet Biscayne (1958–1968)
• Chevrolet Caprice (1966–1968)
• Chevrolet El Camino (1959–1960)
• Chevrolet Del Ray (1955, 1958)
• Chevrolet Nomad (1955–1961)
• Chevrolet Parkwood (1959–1961)
• Chevrolet Kingswood (1959–1961)
• Chevrolet Brookwood (1958–1961)
• Chevrolet Sedan Delivery (1955–1960)
• Chevrolet Two-Ten Series (1955–1957)
• Chevrolet One-Fifty Series (1955–1957)
• Chevrolet 210 (1955–1957)
• Chevrolet 150 (1955–1957)

If you're looking for a high-quality replacement power booster for classic cars, this zinc-plated LEED Brakes kit offers both performance and value. Whether you're restoring a '60s Impala or upgrading your Bel Air, this kit provides a simple solution to modernize your brake system.

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 how to quickly test your measuring tool for accuracy.

California Proposition 65 Warning Information