3 Models - To meet your application needs:
Drum Brake Model
For 10" and 12" drum brakes
850 PSI
Part #: AB-1-8
Disc Brake Model
For disc brakes up to and including 8,000 lb. axles
1400 PSI
Part #: AB-1-14
Heavy Duty
For hydraulic brakes, on 10,000 lb. axles and above
1600 PSI
Part #: AB-1-16HD