Speedmaster PCE490.1001 Billet Power Brake Booster 12V Electric Vacuum Pump Street Kit

Cars with big cams may run a little short on vacuum for their power brake boosters. For all of the vacuum that you need, just install one Speedmaster electric vacuum pump kits. They include a shiny 12 V pump and all of the vacuum line, fittings, and hardware required for installation. The units are completely self-contained, with no need for the additional wiring of relays or switches--simply supply power to the units and they regulate themselves. When vacuum levels drop below 15 hg, the electric vacuum pumps activate and increase brake vacuum to 20 hg.