Oil Temperature GaugeMechanical2 5/8 Diameter120-280 degrees FChrome BezelSilver FaceIncludes:1/2 in. NPT adapter fitting6 ft. capillary tubeSilver BezelBlack Bezel Special Note: The gauge probe that inserts into the engine in this mechanical oil temperature gauge has a flat seat and will not work with a tapered seat fitting. You must use the fitting provided in this kit.