Gauge: Fuel Rail Pressure Range: 0-30 000 PSI Size: 2 1/16" (52.4mm) Type: Electric/Full Sweep Notes: -Full sweep precision stepper motor movement. -Includes 10.5 ft. tubing or wiring harness. -For use with 02+ Chevrolet & GMC Duramax, 03+ Dodge Cummins, and 08-10 Ford Powerstroke Diesels Only -Connects to original equipment fuel rail pressure sensor wiring.