New Electric Brake Vacuum Pump Kit for Booster 28146 SALES!!! Vacuum to 0.065MP to 0.067 MP.A low vacuum situation.Ensures vacuum stays between 18 and 22 inches Provide vacuum to power brake booster Operates when vacuum drops below 18 inches and turns off when over 22 inches Uses a highly effiecient electric pump, relay switch and sitributor with vacuum switch which should be mounted close together for effectiveness Include a variety of brake parts including brake lines and caliper bracket kits,complete brake kits and conversion kits, calipers, rotors, boosters, brake lines, master cylinders, spindles and vacuum pumps High Quality Lower Noise Easy Installation