Crisp, tan dials with fire-orange pointer tips make Sierra Sahara Instruments a striking addition to your dash. Feature scratch-resistant domed glass lenses and enhanced illumination with red through-dial and white perimeter lighting for excellent readability at night. Tachometer requires 3-3/8" diameter hole. Sierra Part #59703P.• Tan dial and retainer, black graduations and numerals, black pointer with fire-orange tip• Scratch-resistant curved glass lenses with black matte, near-flush bezel• Red thru-dial lighting• Dial Range: 0-7000 RPM • Tachometers (Electric): O/B & 4-Stroke Gas Engines• Sender Code: O/B ALT./COIL• Note: Mariner 30 & 40 HP 9 (2-cylinder) engines require a module (Mercury P/N 17461A2) Tan dial with fire-orange pointer tip | Sierra Sahara 3" Tachometer in Red