7in Dual Chrome Power Bo oster

The 7in Dual Chrome Power Booster from LEED BRAKES is a purpose-built brake system upgrade engineered for classic GM A-Body vehicles from 1955 to 1968. If you're restoring or modifying a vintage Chevrolet, Pontiac, Oldsmobile, or Buick, this dual diaphragm booster transforms brake feel and stopping power without requiring extensive brake line reconfiguration. Classic car owners and restoration shops rely on this component to modernize braking performance while maintaining period-correct aesthetics and compatibility with original or upgraded master cylinders.

Built from durable steel with a polished chrome finish, the 7-inch dual diaphragm design significantly amplifies brake pedal pressure, reducing effort at the pedal while improving modulation and braking consistency. The dual diaphragm configuration delivers superior atmospheric pressure utilization compared to single-stage boosters, making it ideal for vehicles equipped with modern brake components like disc conversions or upgraded hydraulic systems. The compact 12.25 x 11.75 x 12.35-inch envelope fits within original mounting points, and at 9.97 lbs, it maintains proper weight distribution without taxing suspension geometry—a critical consideration in vintage builds where structural integrity matters.

Mechanics and fabricators choose the 7in Dual Chrome Power Booster when addressing mushy pedal feedback or converting to power brakes on previously manual-brake vehicles. Installation integrates directly with GM A-Body pushrod linkages, and the chrome plating resists corrosion in engine bays exposed to road salt and moisture. Whether you're building a show-quality restomod or simply restoring drivability to a barn-find classic, this booster delivers measurable braking improvements and serves as a foundational upgrade for any modernized brake system on first- and second-generation A-Body platforms.