9 Inch Zinc Power Brake Booster with 1-1/8 Inch Bore Master Cylinder and Side Mount Valve for Disc/Drum GM AFX

Upgrade your braking system with the LEED Brakes 9-Inch Zinc-Plated Power Brake Booster, Master Cylinder, and Side-Mount Proportioning Valve Combo. This high-performance kit features a 9" power brake booster that 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 booster integrates seamlessly with your vehicle’s existing setup. Included in the kit is a new 1-1/8" bore master cylinder, constructed from cast iron with a natural finish for dependable durability and performance.

The dual bowl design and included reservoir ensure efficient brake fluid management. The side-mount proportioning valve is engineered specifically for disc/drum brake applications, delivering balanced braking performance and improved control.

GM AFX 9" Power Booster Kit, Master Cylinder & Front Disc Side 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

Elevate your vehicle’s braking performance with this comprehensive LEED Brakes kit, engineered for reliable and responsive stopping power.

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.