1974-86 CJ7 & CJ5 Power Brake Booster Kit, & Master Cylinder- Valve Disc/Disc

 9” Single Power Brake Booster Conversion for 1974-86 Jeep CJ5 & CJ7

Upgrade your 1974-86 Jeep CJ5 or CJ7 with the ultimate braking performance and style. The  9” Single Power Brake Booster Conversion Kit delivers modern stopping power while maintaining the rugged Jeep heritage. Engineered for disc/disc brake setups, this kit ensures better pedal feel, increased stopping efficiency.

Key Features:
✅ 9” Single Power Brake Booster – Enhances braking force with less pedal effort for better control.
✅ 1.125" Bore Cast Iron Master Cylinder – 9/16-18 & 1/2-20 Ports, Dual Reservoir, Disc Disc
✅ Disc/Disc Proportioning / Combination Valve – Directly mounts back to the factory frame location for easy installation, specific to Disc in the front and Disc in the rear.
✅ Optimized for Disc/Disc Brakes – Ensures proper brake proportioning and balanced braking performance.
✅ Booster Mounting Bracket – Converts from a manual master cylinder to power brakes, will also work for Jeeps that have existing factory power brakes, but you must use the bracket, booster does not bolt onto directly to the firewall.
✅ Direct Bolt-On Upgrade – There are no major modifications needed, designed for a seamless install.

Frequently Asked Questions: 

• I want to keep my Drum Brakes but just convert over to Power brakes, will this unit work?  No, this unit has a master cylinder that is not ideal for drum brakes.