4" GM CAN-Bus Tachometer | 4K RPM

SKU: GF4-115
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$200.83 USD
Delivers direct ECU-based RPM readings through the OBDII CAN network on supported 2008+ GM applications. Eliminates ignition coil and tach signal wiring when CAN RPM data is available. Precision stepper motor provides smooth, accurate RPM tracking.
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Order leaves our facility in about 2 Weeks

The GM CAN-Bus Tachometer reads engine RPM directly from the GM ECU through the OBDII CAN network, giving you a cleaner install and solid real-time RPM data without extra signal wiring when supported. Built for 2008+ GM ECUs with CAN RPM output, it connects through the 16-pin OBDII Data Link Connector and keeps the setup clean and straightforward. A precision stepper motor keeps the needle smooth, stable, and easy to trust at a glance. Built with a durable housing and solid aluminum bezel, it’s made for long-term use. Made in the USA and backed for life.

Track-Tested. USA-Built. Backed for Life.

Key Features:

  • Direct ECU RPM Data — reads engine RPM from the GM ECU through the OBDII CAN network
  • 2008+ GM Compatibility — works with supported GM ECUs with CAN RPM data output
  • Cleaner Installation — eliminates ignition coil and tach signal wiring when supported
  • Microprocessor-Driven — real-time accuracy
  • Stepper Motor Precision — smooth, accurate pointer movement
  • IPX6-Rated Protection — built for street, track, and off-road use; not for submersion
  • Made in the USA — backed by a lifetime warranty
Built to last. Backed for life.
  • Lifetime warranty on internal circuit board electronics
  • 5-year coverage on sensors and wiring
  • Applies to gauges purchased since Jan. 1, 2006

Every Speedhut gauge includes a lifetime warranty* on the electronic circuit board inside the gauge case. It is the core of the gauge — the part responsible for the precision communication that delivers the accuracy and performance Speedhut is known for.

Sensors, wiring, and other external components are covered by an unlimited 5-year warranty.

This combined lifetime / 5-year warranty applies to the original purchaser.
*For your lifetime — as long as you own the gauge — we stand behind it.
Speedhut Inc warrants products to be free from defects in materials or workmanship. This warranty is limited to repair or replacement. Speedhut Inc is not responsible for incidental or consequential damages. Improper use, installation, or unauthorized modifications void this warranty.
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