9 Inch Zinc Power Booster with 1-1/8 Inch Bore Master Cylinder and Adjustable Proportioning Valve for GM AFX

Upgrade your braking system with the LEED Brakes 9-Inch Zinc-Plated Power Brake Booster, Master Cylinder, and Adjustable Proportioning Valve Combo for GM AFX bodies. This premium 9-inch power brake booster is hand-polished before receiving a durable yellow zinc finish for long-lasting corrosion resistance and a clean, factory-style appearance.

Designed to mount directly to your factory firewall, this setup delivers seamless integration and improved braking performance. The kit includes a new 1-1/8 inch bore master cylinder and an adjustable proportioning valve, making it compatible with both disc/drum and disc/disc brake applications.

GM AFX 9" Power Brake Booster and Master Cylinder w/ Valve 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: 9 in.
• Brake Booster Material: Steel
• Brake Booster Finish: Zinc
• Brake Pedal Rod Extension Included: Yes
• Mounting Hardware Included: Uses Original
• Quantity: Kit

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 has added this warning to their products.