Sierra's 3" black tachometer reads 0–6000 RPM and fits outboard and 4-stroke gas engines with a 12V electrical system. Features a fog-resistant dial that lights up white with red graduations, scratch-resistant curved glass, and clean automotive styling. Perfect for monitoring engine health and performance while underway.

• Dial Range: 0-6000 RPM
• Voltage: 12 VDC
  
• Full automotive type lighting, no ''halo'' around dial edges
• When lit, white dial grads become red, pointer lights white
• Black dial, white graduations/numerals (metrics in blue), white pointer staff
• Scratch resistant curved glass lenses, with black, near-flush bezels
• Fog-Resistant Design! Complies with SAE J-1810
• Sender Code: O/B ALT./COIL