7-Inch Zinc Dual Power Brake Booster, 1-1/8-Inch Bore Master Cylinder, Side Mount Valve, Disc/Disc for 1960-1966 GMC or Chevrolet Truck

Upgrade your vehicle's braking system with LEED Brakes' 7" Dual Diaphragm Zinc-Plated Power Brake Booster, Master Cylinder, and Disc/Disc Proportioning Valve Combo. Each booster is meticulously hand-polished before receiving a durable yellow zinc finish for corrosion resistance and a clean under-hood appearance. Designed to mount directly to your factory firewall, this kit delivers a precise fit and straightforward installation.

Included is a 1-1/8" bore cast iron master cylinder and proportioning valve engineered specifically for 4-wheel disc brake applications, providing balanced braking performance and improved pedal feel.

Compatible with 1960–1966 Chevrolet C10 and K10 trucks, as well as GMC C15/C1500 and K15/K1500 pickups, this kit is an ideal upgrade for classic truck restorations or performance enhancements.

1960–1966 Chevrolet & GMC Truck 7" Dual Diaphragm Power Brake Booster Kit – 4-Wheel Disc Specifications

• 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: Dual Diaphragm
• Brake Booster Diameter: 7 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 verify measuring tool accuracy.

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