Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
⚠️ California Proposition 65 Warning : Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every Monster Energy Nascar Cup team and nearly every NHRA Pro–Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well. Holley's products also include performance fuel pumps, intake manifolds & engine dress–up products for street performance, race and marine applications. As a single solution, or partnered with products from other Holley companies we can give you the edge you need over the competition!
Yes, we offer free standard shipping on all orders within the United States.
When will I receive my item?
Domestic orders typically arrive within 3-5 business days. Delivery times are estimated and may vary depending on your location, weather conditions, or other unforeseen factors.
Can I change or return my item?
We hope you love your purchase, but if you need to make a change or return your item, we’ve got you covered! You can initiate a return or exchange within 30 days of receiving your order. Please ensure the product is in its original condition and packaging. For more information on our return policy, please visit our Returns & Exchanges page.
Frequently Asked Questions
Q: What are the dimensions of the Holley EFI Voltage Gauge?A: The dimensions of the Holley EFI Voltage Gauge are five point six inches in length, five point five one inches in width, and five point five one inches in height.
Q: What is the item size of the Holley EFI Voltage Gauge?A: The item size of the Holley EFI Voltage Gauge is two and one-sixteenth inches.
Q: What type of materials is the Holley EFI Voltage Gauge made of?A: The Holley EFI Voltage Gauge does not specify a material, but it is designed for durability in automotive applications.
Q: How do I install the Holley EFI Voltage Gauge?A: To install the Holley EFI Voltage Gauge, connect it to your existing Holley ECU, as it features plug and play compatibility.
Q: Is the Holley EFI Voltage Gauge compatible with my ECU?A: Yes, the Holley EFI Voltage Gauge is compatible with all Terminator, HP, and Dominator ECUs when using the module part number five five four one three zero.
Q: Can I use the Holley EFI Voltage Gauge with other devices?A: Yes, the gauge is compatible with all Holley EFI touch screens, dashes, handheld tuners, and other CAN devices.
Q: How do I clean the Holley EFI Voltage Gauge?A: To clean the Holley EFI Voltage Gauge, use a soft, damp cloth to avoid scratching the surface.
Q: Is the Holley EFI Voltage Gauge safe to use in racing conditions?A: Yes, the Holley EFI Voltage Gauge is designed for accurate movement in racing conditions, ensuring reliable performance.
Q: What should I do if the voltage gauge is not working?A: If the voltage gauge is not working, check the connections to the ECU and ensure that the gauge is properly powered.
Q: Does the Holley EFI Voltage Gauge come with a warranty?A: Yes, Holley EFI products typically come with a limited warranty; please check the specific terms provided with your product.
Q: Is the Holley EFI Voltage Gauge easy to read?A: Yes, the gauge features a two hundred seventy-degree sweep pointer that makes it easy to read at a glance.
Q: What kind of applications is the Holley EFI Voltage Gauge suitable for?A: The Holley EFI Voltage Gauge is suitable for street performance, race, and marine applications.
Q: Do I need to program the Holley EFI Voltage Gauge?A: No, the Holley EFI Voltage Gauge requires no programming, eliminating the need to install duplicate sending units.
Q: Is the Holley EFI Voltage Gauge designed for beginners?A: Yes, the Holley EFI Voltage Gauge is designed for easy installation and use, making it suitable for both beginners and experienced users.
Q: Can the Holley EFI Voltage Gauge be used with a standard car battery?A: Yes, the Holley EFI Voltage Gauge is compatible with standard automotive electrical systems.