Recommended For
Up to a 30% increase in braking performance for the following applications:
How It Works
Features
Dual Diaphragm
More pressure must be placed on the brake pedal when towing or carrying heavy loads.
The Ultimate 4WD™ Brake Booster Upgrade's dual diaphragm reduces the amount of effort required to depress the brake pedal, resulting in a smoother pedal feel.
Bolt-In Replacement
Thanks to its dual diaphragm design, the Ultimate 4WD™ Brake Booster Upgrade can be easily installed as a ‘bolt-in’ replacement for OE brake boosters.
ADR Compliant
The Ultimate 4WD™ Brake Booster Upgrade contains all ADR certification details required by your state's regulatory authority.
Pair With Ultimate 4WD™ Brake Upgrade Kit
For maximum braking performance, pair the Ultimate 4WD™ Brake Booster Upgrade with the Ultimate 4WD™ Brake Upgrade Kit.
Designed to work better together.
Need help finding the right brake?
Check out our brake selection guide and put your foot down with confidence!