AUTOMETER COBALT SERIES BOOST GAUGE, 2-1/16", FULL SWEEP MECHANICAL, 0-100 psi Hose I.D_51mm These not only look great

These not only look great but the flexible inner dipstick is marked to give accurate oil level readings

Spring Outside Diameter: 1

Following heat-treat

DashLink II Wireless OBDII Module (For Apple IOS & Andriod)

AUTOMETER COBALT SERIES BOOST GAUGE, 2-1/16", FULL SWEEP MECHANICAL, 0-100 psi Hose I.D_51mm These not only look greatCobalt Series Boost Gauge 2 1 16", Full Sweep Mechanical, 0 100 psi Includes 10 ft. nylon tubing with 1 8" NPT fittings. Includes 1 4'' NPT adapter fitting. Auto Meter Cobalt series gauges feature a black face, white numbering and blue accents. At night the burst of Cobalt blue light shines through the dial and into any interior scheme. AU6106