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

Upgrade your GM AFX with the new LEED Brakes 9 Inch Zinc Power Booster and Master Cylinder kit. This high-quality 9" power brake booster is hand-polished before receiving a durable yellow zinc finish, ensuring a top-notch appearance and performance. Designed to mount directly to your factory firewall, this power brake booster delivers reliability and efficiency.

Included in this comprehensive GM brake kit is a new 1-1/8 inch bore master cylinder, equipped to handle both disc/drum and disc/disc brake applications.

Master Cylinder Specifications:

• Bore Size: 1-1/8 inch


• Bowl Design: Dual Bowl


• Material: Cast Iron


• Finish: Natural


• Reservoir Included: Yes


• Reservoir Material: Cast Iron


• Master Cylinder Cap Included: Yes

Brake Booster Specifications:

• Type: Single Diaphragm


• Diameter: 9 inch


• Material: Steel


• Finish: Zinc


• Brake Pedal Rod Extension Included: Yes


• Mounting Hardware Included: Uses Original

Quantity: Kit

Enhance your braking system with LEED Brakes' premium components for a reliable and stylish upgrade.

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.