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Upgrade your 1964–1974 GM A, F, and X body vehicle with a complete power front drum-to-disc brake conversion from LEED Brakes. Designed for Chevrolet, Pontiac, Oldsmobile, Buick, and GMC AFX platforms, this system delivers modern stopping power with factory-style fitment and balanced hydraulic performance.
This kit includes 11-inch cross-drilled and slotted zinc-plated rotors, black powder-coated single-piston calipers, a power brake booster, master cylinder, and proportioning valve. The drilled and slotted rotor design reduces brake fade by evacuating heat and gases during aggressive braking, improving pad-to-rotor contact and delivering stronger, more consistent braking performance.
Direct bolt-on installation designed to work with compatible factory spindles and control arms. No cutting or welding required.
All LEED Brakes booster and master cylinder assemblies are preset before shipping. Proper pushrod depth is critical to prevent brake drag and ensure full brake release. Watch this video to correctly measure pushrod clearance and verify proper booster setup before installation.

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