8-Inch Chrome Dual Power Brake Booster with 1-1/8 Inch Bore Flat Top Master Cylinder and Side Mount Valve for Disc/Drum GM AFX Bodies

Upgrade your vehicle's braking system with this 8" Dual Diaphragm chrome-plated power brake booster, master cylinder, and disc/drum proportioning valve combo from LEED Brakes. This high-quality 8" power booster is meticulously hand-polished before receiving a premium chrome finish. Designed to mount directly to your factory firewall, this kit ensures a seamless installation and clean under-hood appearance.

Included in this kit is a new chrome 1-1/8" bore flat-top aluminum master cylinder and proportioning valve, specifically engineered for front disc/rear drum brake applications.

8-Inch Dual Diaphragm Chrome Booster Kit for GM AFX Specifications

• Master Cylinder Bore Size: 1-1/8 in
• Bowl Design: Dual Bowl
• Master Cylinder Material: Aluminum
• Master Cylinder Finish: Polished
• Reservoir Included: Yes
• Reservoir Material: Aluminum
• Master Cylinder Cap Included: Yes
• Brake Booster Type: Dual Diaphragm
• Brake Booster Diameter: 8 in.
• Brake Booster Material: Steel
• Brake Booster Finish: Chrome
• Brake Pedal Rod Extension Included: Yes
• Mounting Hardware Included: Uses Original
• Quantity: Kit

Compatible GM AFX Models (1964–1974)

• 1974–1973: Oldsmobile Omega, Chevrolet Nova, Buick Apollo
• 1972–1971: Pontiac Ventura, LeMans, GTO, Grand Prix; Oldsmobile Vista Cruiser, Toronado, Cutlass Supreme, Cutlass, Custom Cruiser; Chevrolet Nova, Monte Carlo, El Camino, Chevelle; Buick Sportwagon, Skylark, GS 455, GS
• 1970: Pontiac Tempest, LeMans, GTO, Grand Prix; Oldsmobile F85, Cutlass Supreme, Cutlass, 442; Chevrolet Nova, Monte Carlo, El Camino, Chevelle; Buick Skylark, GS
• 1969–1968: Pontiac Tempest, LeMans, GTO, Grand Prix, Firebird; Oldsmobile Cutlass, 442; Chevrolet Nova, Chevelle, Camaro; Buick Special, Skylark, GS
• 1967–1964: Pontiac Tempest, LeMans, GTO; Oldsmobile F85, Cutlass; Chevrolet Malibu, Chevelle; Buick Special

Upgrade your classic GM AFX vehicle with this premium 8-inch dual diaphragm chrome power brake booster kit, delivering enhanced braking performance, reliability, and a polished appearance.

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.