AutoMeter Tach Adapter for Distributorless Ignition Systems

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SKU: ATM9117
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Sale price$139.99 Regular price$148.83
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About AutoMeter

AutoMeter engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full AutoMeter lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Tachometer Signal Solution for Modern Ignitions

Modern engine swaps often present a challenge: how to get a clean RPM signal for your aftermarket tachometer. The AutoMeter Tach Adapter for Distributorless Ignitions is the professional solution. This fully potted, weatherproof module is designed to work with coil-per-cylinder ignition systems, sensing current and converting it into a standard 12V square wave signal.

Key Features

  • Compatibility: Ideal for late-model engine swaps
  • Function: Converts ignition current to 12V square wave output
  • Durability: Fully potted and weatherproof for under-hood mounting
  • Versatility: Works with AutoMeter tachs and most RPM-activated devices

Whether you are putting a modern engine into a classic chassis or simply upgrading your ignition system, this tach adapter ensures your tachometer reads accurately. It eliminates the erratic signals often found when trying to tap into modern ignition coils directly. The robust, weatherproof housing means you can mount it anywhere in the engine bay without worrying about moisture or heat interference. It is the perfect companion for any performance build requiring precise RPM monitoring. Simplify your wiring and get the accurate data you need with this high-quality ignition adapter from GGCRACING.

Product Details

Product Description
Part Numbers
Sizing & Fit

About AutoMeter

AutoMeter engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full AutoMeter lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Tachometer Signal Solution for Modern Ignitions

Modern engine swaps often present a challenge: how to get a clean RPM signal for your aftermarket tachometer. The AutoMeter Tach Adapter for Distributorless Ignitions is the professional solution. This fully potted, weatherproof module is designed to work with coil-per-cylinder ignition systems, sensing current and converting it into a standard 12V square wave signal.

Key Features

  • Compatibility: Ideal for late-model engine swaps
  • Function: Converts ignition current to 12V square wave output
  • Durability: Fully potted and weatherproof for under-hood mounting
  • Versatility: Works with AutoMeter tachs and most RPM-activated devices

Whether you are putting a modern engine into a classic chassis or simply upgrading your ignition system, this tach adapter ensures your tachometer reads accurately. It eliminates the erratic signals often found when trying to tap into modern ignition coils directly. The robust, weatherproof housing means you can mount it anywhere in the engine bay without worrying about moisture or heat interference. It is the perfect companion for any performance build requiring precise RPM monitoring. Simplify your wiring and get the accurate data you need with this high-quality ignition adapter from GGCRACING.

Product Details

Product Description

About AutoMeter

AutoMeter engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full AutoMeter lineup with fast shipping and expert fitment support — order with confidence.

Watch in action

Tachometer Signal Solution for Modern Ignitions

Modern engine swaps often present a challenge: how to get a clean RPM signal for your aftermarket tachometer. The AutoMeter Tach Adapter for Distributorless Ignitions is the professional solution. This fully potted, weatherproof module is designed to work with coil-per-cylinder ignition systems, sensing current and converting it into a standard 12V square wave signal.

Key Features

  • Compatibility: Ideal for late-model engine swaps
  • Function: Converts ignition current to 12V square wave output
  • Durability: Fully potted and weatherproof for under-hood mounting
  • Versatility: Works with AutoMeter tachs and most RPM-activated devices

Whether you are putting a modern engine into a classic chassis or simply upgrading your ignition system, this tach adapter ensures your tachometer reads accurately. It eliminates the erratic signals often found when trying to tap into modern ignition coils directly. The robust, weatherproof housing means you can mount it anywhere in the engine bay without worrying about moisture or heat interference. It is the perfect companion for any performance build requiring precise RPM monitoring. Simplify your wiring and get the accurate data you need with this high-quality ignition adapter from GGCRACING.

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