Boost/Vacuum: -30 to 30 PSI - Carbon Fiber Stepper Motor Gauge (2 1/16") Auto Meter 7 pounds lighter than the

7 pounds lighter than the standard rotor and is recommended for cars that see more miles on the drag strip than on the street

30 pounds with the scalloped rotors

(6) M8X20 Bolts

074" and it is 10% under-driven

Boost/Vacuum: -30 to 30 PSI - Carbon Fiber Stepper Motor Gauge (2 1/16") Auto Meter 7 pounds lighter than theFits these Applications: Universal Product Keeping track of the vacuum and boost on your forced induction application is critical for extracting the most power safely while keeping your engine in the powerband. AutoMeters Digital Stepper Motor Boost Vacuum Gauges provide the most accurate eadings available, unparalleled response time and smooth needle movement. Taking advantage of AutoMeters advanced circuitry, these gauges automatically calibrate on