2-5/8 In. BLOWER PRESSURE 0-60 PSI SPORT-COMPKnow Your Exact Blower Pressure With Autometers Ultra Precise Bourdon Tube Meter Movement, The Standard For Accuracy And Durability In The Industry For Generations. A Simple 1 8" Npt Pressure Connection Requires No Electrical Hookup For Operation. An Optional Blower Memory Kit Provides A One Way Check Valve For Peak Recall After Your Run. Traditional incandescent lighting illuminates around the perimeter of the dial Autometers Race Proven Mechanical