Product details:

Mechanical Boost Gauge 35 PSI Auto Meter Sport-Comp Gauges: This diverse series of gauges combine the classic Tough Auto Meter look with over 30 years of race proven design. Mechanical - Bronze bourdon tube 270 degree sweep movements and durable nylon gearing have made these rugged and long lasting gauges a proven high performance favorite for over 25 years. These mechanical gauges require no electrical power for operation making them an ideal choice for vehicles with no or low powered electrical systems. Notes Includes 10 ft. nylon tubing with 1/8 NPT fittings. Includes 1/4'' NPT adapter/fitting.