2-1/16in. OIL TEMPERATURE; 60-140 deg.C; COBRAOne of the single most important factors in determining how your engine performs (and how long it performs between rebuilds) is proper oil temperature during operation. Knowing your exact temp allows you to make sure you've got the proper oil weight and cooling capacity. Utilizing AutoMeter's ultra precise bourdon tube meter movement, you can be assured of the most accurate possible readings of the life blood of your engine. A 6' capillary tube and 1/2 NPT mounting nut are included. Features Rugged Air Core Meter No Electrical System Required Mechanical Movement Provides Accuracy And Durability Incl. 1/2 in. Knot Adapter Incl. Bulb Socket Assembly Red/Green Bulb Covers Incl. Mounting Hardware/Installation Instructions Perfect Upgrade For Your Car Precision Movement And Extreme Accuracy 1 Year Limited Warranty Traditional Incandescent Lighting Illuminates Perimeter Of Dial