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8 inch dual power booster , 1-1/8 inch bore master, side mount valve, disc/drum (Zinc)

GM Truck

New 8" Dual Diaphragm zinc plated power brake booster , master cylinder & disc/drum proportioning valve combo. This 8" power booster is hand polished before a yellow zinc finish is applied for a top quality finish. The black powder coated mount and pushrod assembly is a direct fit to your factory firewall for that fresh factory look. Also included in this kits is a new 1-1/8" bore master cylinder and proportioning valve equipped to work with front disc rear drum applications.

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Pricing: $399.95


Discover the ultimate power brake booster upgrade for your GM truck with our comprehensive 8" Dual Diaphragm Zinc Plated Power Brake Booster Combo. This top-of-the-line package includes a master cylinder and a disc/drum proportioning valve, meticulously designed to enhance your vehicle's braking performance. Before receiving a striking yellow zinc finish, each 8" power booster is carefully hand-polished to ensure a superior quality finish. Accompanied by a black powder-coated mount and pushrod assembly, this kit seamlessly integrates with your factory firewall, offering a pristine factory appearance.

Included within this kit is a high-grade 1-1/8" bore master cylinder and a proportioning valve specifically configured for front disc and rear drum brake setups, ensuring optimal performance and safety. 

This kit is an ideal choice for a wide range of GMC and Chevrolet models from 1967 to 1972, including the GMC Suburban, GMC Pickup, GMC Jimmy, Chevrolet K10, and Chevrolet C10, among others. Enhance your driving experience and safety with this professional-grade brake booster kit.

Upgrade your braking system today with our 8-inch dual diaphragm power brake booster kit, featuring a master cylinder and proportioning valve combo, designed for unmatched performance and a sleek, factory-fresh look.

GM Truck 8" Dual Diaphragm Power Brake Booster, Zinc Plated Highlights

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 (in): 8 in.
Brake Booster Material: Steel
Brake Booster Finish: Zinc
Brake Pedal Rod Extension Included: Yes
Mounting Hardware Included: Uses Original
Quantity: Kit

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Shipping Information

  • Item Requires Shipping
  • 28.0 lbs.
  • W10.5000” x H10.5000” x L18.2500”

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