Hooks directly to your booster. Type: Vacuum Pump. Uses a highly effiecient electric pump, relay switch and sitributor with vacuum switch which should be mounted close together for effectiveness.
12 V Electrical Vacuum Pump for Brake Booster 18" - 22" for GMC for Chevrolet
Summit Racing Vacuum Pump Electric Street Black 12 V Includes Vacuum Line Kit
12 V Rotary Vacuum Brake Booster Pump "Plug and Play" installation
Electrical Vacuum Pump Kit Hose Relay Set for Brake Booster 12 Volt 18" to 22"
Electric Vacuum Pump Brake Booster 12 V Vacuum Pump 29.5 UP28 20804130 20939309
