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Quick Specs

  • Size:2-3/4" (69.9mm)
  • Type:Air-Core
  • Range:0-8,000 RPM
  • Lighting:Incandescent
  • Instructions: Download PDF


Getting great performance or saving money doesn’t have to be choice. Engineered by AutoMeter in Sycamore, IL, The Auto Gage line of instruments provide the best bang for the buck performance in the industry. For a fast street car or a weekend racer, Auto Gage provides levels of accuracy and durability unheard of in the price category. With countless wins in magazine comparison tests, the best value in gauges comes from exactly the place you’d expect it to. AutoMeter.
Feature Points
  • Traditional incandescent lighting illuminates around the perimeter of the dial
  • Compatible with most 4, 6, and 8 cylinder engines (2 - 4 pulse per revolution ignition signals) with points, electronic, and most 12V high-performance racing ignitions.
  • 12 and 16 volt compatible, well-suited with nearly every street car or race car electrical system
Ships With
  • Bracket Included
California Residents: Prop 65 WARNING prop65 Cancer, Birth Defects and Reproductive Harm


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What is the accuracy of this tachometer? eg: 1% of full scale?

Asked by: 1Bob
AutoGage, being entry level, will tend to have less accuracy than the high performance AutoMeter counterparts. This particular model also has a very compressed dial, which lacks precision. You should expect a tolerance of up to 5% on the 2305.
Answered by: Alex at AutoMeter
Date published: 2022-05-02

Does this tachometer come with the wiring harness needed for installation? Thank you

Asked by: Bash
Hi, This 2305 comes with a wiring harness. Thanks, Jim
Answered by: Jim from AutoMeter
Date published: 2020-05-15

Hi, Can this be mounted to a steering column on a 84' Chevy C10?

Asked by: Aaron561
Thank you for your question. While none of our gauges are made for vehicle specific installations, our pedestal mounted tachs, such as this one, are very commonly mounted on the steering column. You can use a hole clamp, glue, or drill screws to hold the pedestal on the column.
Answered by: Zach from AutoMeter
Date published: 2019-05-13

I'm looking at the Autometer Model 2305 to replace a failed Autometer Tach. Does the tach come with the wiring or is it just the unit? I'm installing it on a classic car. Thanks, Mike

Asked by: 1971cuda
Hi Mike, thank you so much for contacting us. This tach does have flying leads off of the back of the gauge for wiring, but in most instances you'll end up needing to extend them to reach everything. With that said, we are more than happy to check out your existing tach if there's an issue. There's never any charge for diagnostic work and if there's any repair charge, they are minimal. You can get all the info you need here: Hope this helps!
Answered by: Joseph Mills
Date published: 2018-06-19

Can the 2305 mounting bracket be rotated to fit under a dash ?

Asked by: Jon Boy
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