Universal Electric Brake Vacuum Pump Kit 12 Volt Oldsmobile also using GM’s 2-stud pattern

also using GM’s 2-stud pattern of 3-3/8 inch centres

Includes billet aluminium hold down clamp and stainless steel stud and nut

4" Overall diameter

Mounting arm/bracket is 2" long from the mounting face to the centre of the mirror head stud

2 grommets for breathers

Universal Electric Brake Vacuum Pump Kit 12 Volt Oldsmobile also using GM’s 2-stud patternPerformance orientated engines with aggressive cam profiles will often have low vacuum at idle, this can cause a hard brake pedal due to the brake booster not having adequate vacuum. Calflows Electric Brake Vacuum Pump Kit is a compact solution to rectifying low vacuum, ensuring a reliable pedal feel. With the included vacuum pressure switch, the pump will only operate when necessary. Included vacuum switch activates at 18inHg, and shuts off at 22inHg