I Mounted this on the backside of the Rear Rocker Box on my 93 inch 57 Pan/Shovel. It's Cool to watch the Oil Pressure, from the S & S Oil Pump w/ a Heavy Spring!!! I Live in the Arizona Desert, So Summertime W/ Temps of 113+ & At The Hottest it Still Cruses at 25 + Lbs (Too Long a Idle = 0 Lbs!!!) But a Little Crack of the Throttle & It Jumps Back Up!!! (I ALSO Have 1 w/a Black Face on my 94 Heritage Softail!!!