2 Axis G-Meter
Type: G-Meter

Introducing the Holley EFI 2 Axis G-Meter. Designed to be stable in the harshest environment. Co-designed with RACEPAK, this G-meter would be a perfect fit for your four digit horsepower drag radial machine or an autocross corner carver. The G-meter features both X and Y axis outputs. The X axis registers from a negative 3 G (deceleration) to a positive 12 G (acceleration). The Y axis registers +/-7.5 G. In order to ensure the installation is simplified, the ECU pins come pre crimped. Loose pins are also provided if the cable needs to be shortened for clean installations. This can also be used with non-Holley ECU's as long as they're are (2) 0-5V analog inputs available.
Features:
- The Y axis registers +/- 7.5 G for cornering
- The X axis registers from -3 G (deceleration) to +12 G (acceleration)
- Directional mounting arrow is provided, always pointing towards the front of the vehicle
- Displayed in real time or data logged
- Included harness to plug into Holley ECU connectors
Specs:
- Brand: Holley EFI
- Category: Body
- Color: Black
- Emission Code: 5
- Grade Type: Performance
- Part Type: Lateral Accelerometer Gauge
- Product Type: G-Meter
- Sub Category: Instrument Panel
- Terminal Type: Bullet
Tech Resources:
The unit can be mounted using Velcro, which helps dampen vibrations, or mounted solidly. The unit should be placed flat and positioned so the arrow points towards the front of the vehicle. It can also be screwed into the application.
A harness is included that can plug into the Holley ECU connectors. Loose ECU pins are included if the harness needs to be shortened.
The unit must be powered by a battery voltage level supply (do not use 5V).
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Important Notices
- Off‑Road Use Only
Products sold by JS Speed are intended for off‑road use and may be illegal on public roads where emissions or pollution‑control laws apply. - Check Local Laws
Before purchasing or installing, verify all applicable local, state/provincial, and federal regulations to ensure the modification is legal in your area. - Professional Installation Recommended
These parts should be installed by qualified professional mechanics. Improper installation can cause performance issues or vehicle damage. Unless a product page explicitly states otherwise, installation instructions are not included. Components are designed for users with solid mechanical knowledge, and minor adjustments or modifications may be required for proper fitment. Returns or refunds cannot be accepted due to difficulty completing an installation or the absence of instructions. - Warranty Impact
Use of these parts may void your vehicle’s factory warranty. Confirm with your vehicle manufacturer before purchase and installation. - Limitation of Liability
JS Speed is not responsible for damage, failures, or issues arising from the use or installation of these products. - Product Images
Images are for illustration only and may differ from the actual product due to manufacturer updates or improvements. - No Performance Guarantees
While these products are designed to enhance performance, JS Speed does not guarantee specific performance results.






