9 Inch Chrome Power Booster, 1-1/8 Inch Bore Flat Top Master Cylinder with Adjustable Proportioning Valve for 1955-1968 Chevrolet

Enhance your 1955-1968 Chevrolet's braking system with the new LEED Brakes 9" chrome-plated power brake booster, master cylinder, and adjustable proportioning valve combo. This high-quality 9" power booster is meticulously hand-polished before receiving a chrome finish for superior durability and appearance. Designed for direct mounting to your factory firewall, this power booster ensures a perfect fit.

The kit also includes a chrome 1-1/8" bore flat top master cylinder, designed for optimal performance with front disc/rear drum or four-wheel disc brake applications. The adjustable proportioning valve provides precise control over brake balance, improving overall braking efficiency.

1955-1968 Chevrolet 9" Brake Booster Kit, Flat Top Master & Valve Key Features:

• 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: Single Diaphragm


• Brake Booster Diameter: 9 in.


• Brake Booster Material: Steel


• Brake Booster Finish: Chrome


• Brake Pedal Rod Extension Included: Yes


• Mounting Hardware Included: Uses Original


• Quantity: Kit

Upgrade your 1955-1968 Chevrolet with this top-tier braking solution from LEED Brakes, designed for both performance and style.

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.

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