Diámetro interno: 1-1/8" 4 Whel Disc Brakes or Aftermarket Axles without ABS
These heavy duty power brake conversion kits convert a single diaphragm booster to a dual diaphragm setup which creates more stopping power with less pedal pressure
Engine vacuum needs to be a minimum of 18 inches of vacuum at idle when engine is warm for power brake setup to function properly