Autometer Black 60 PSI Oil Pressure Gauge for Harley-Davidson - HC-OPG-60B Black Face, Liquid Filled 60 PSI oil pressure gauge kit. Kit includes the 1 5/8" diameter gauge, fittings and o-ring to mount it on your Harley-Davidson EVO or SHOVEL motor. Fits Harley-Davidson EVO or SHOVEL motors only. NOTE: This will Not work on Harley-Davidson Twin Cam engines.