3 inch 1600ºF Pyrometer Dual Scale Gauge - Indicates Exhaust Temperature of One or Two Engines - Same EGT used in Aircraft - Easiest Way to Diagnose Lean or Rich Fuel Mixture - A Must for Supercharged Engines - Waterproof Fronts Help Prevent Fogging - Requires a 3 1/8 inch Cutout; 3 1/2 inch OD - Standard Rim Color Matches Face/Dial - For That Custom Look, Add a Decorative Powdercoated Color Rim For Just $10 - Available in 8 Colors 3-MPYD$154.80 Face Color: BlackWhite Decorative Powdercoated Colored Rim - Available in 8 Colors For that Custom Look, Add a Decorative Powdercoated Color Rim for Just $10 Note: Standard Rim Color Matches Face/Dial - Order Decorative Powdercoated Color Rim ONLY If You Want a Contrasting Rim Color. 3-PY318$10.00 Rim Color: WhiteYellowRedPurpleBlueTealChromeBlack Decorative Powdercoated Colored Rim - Available in 8 Colors For that Custom Look, Add a Decorative Powdercoated Color Rim for Just $5 Note: Standard Rim Color Matches Face/Dial - Order Decorative Powdercoated Color Rim ONLY If You Want a Contrasting Rim Color. 3-CR318$5.00 Rim Color: WhiteYellowRedPurpleBlueTealChromeBlack 3 1/8 inch Angled Instrument Bezel; 3 1/8 inch ID, 4 inch OD - Available in 10 Colors Angled Under Bezel; 3 1/8 inch ID, 4 inch OD - Can be used to Fisheye Gauge(s) Toward Driver - For use Under any Gauge Having a 3 1/8 inch Case Diameter - Available in 10 Decorative Powdercoated Colors 3-AG318$27.00 Bezel Color: WhiteYellowGoldRedPurpleBlueTealBrushed AluminumChromeBlack