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Upgrade your braking system with this Universal 8" Dual Diaphragm Power Brake Booster Kit , designed for improved stopping power and reliability on a wide range of classic and custom vehicles. This complete kit includes an 8" dual diaphragm booster , a 1-1/8" bore master cylinder , and a PV4 disc/disc proportioning valve with all necessary mounting hardware and lines.
The 8" dual booster provides excellent vacuum assist in a compact size, making it ideal for cars and trucks where space is limited but additional braking power is needed. The included 1-1/8" master cylinder is designed for disc/disc applications, delivering the proper fluid volume for four-wheel disc brake setups. To balance braking pressure, the PV4 proportioning valve ensures even front and rear brake distribution for safe, consistent stops.
This kit is engineered as a universal solution for custom builds, hot rods, muscle cars, and classic car restorations. With all hardware and lines included, installation is straightforward and professional. Enhance your vehicle’s braking performance with this high-quality booster and master cylinder combination.
Key Features / Item Specifics:
Universal 8" Dual Diaphragm Power Brake Booster – compact design with strong assist
1-1/8" Bore Master Cylinder – ideal for four-wheel disc brake setups
PV4 Disc/Disc Proportioning Valve Kit – balances brake pressure front to rear
Includes all necessary mounting hardware and pre-bent lines
Universal fit for hot rods, muscle cars, trucks, and custom applications
Improves stopping power and pedal feel over manual brake setups
Perfect for disc/disc brake conversions and performance upgrades
Durable construction for long-lasting reliability
