Holley 12-427 Mighty Mite Electric Fuel Pump | 32 GPH, 4-7 PSI, 12V
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Description
xHolley 12-427 Mighty Mite Electric Fuel Pump
Compact yet capable, the Mighty Mite from Holley is designed to fit tight engine bays while delivering dependable fuel flow for everyday driving and modest performance builds. Its 12-volt operation makes it a drop-in candidate for many vehicles, helping maintain consistent fuel delivery as engine demands change during driving, acceleration, and varied loads.
Key specifications
- 12-volt operation for straightforward integration with most vehicles
- 4-7 psi operating pressure to align with many carburetor and EFI applications
- 32 gal/hr flow for reliable fuel transfer under common driving conditions
- Good for up to 400 HP naturally aspirated engines as a general guideline
- Reliable solid-state design aimed at longer life and steady performance
Real-world use and installation
Ideal for retrofit projects in classic cars, small-block builds, and street machines where space is at a premium. The pump’s compact form helps with clean mounting under seats, behind dashboards, or in small trunk spaces, while standard electrical connections support a straightforward setup. Expect a steady fuel supply that pairs well with routine maintenance and tuning routines.
- Great for retrofit projects needing a compact, self-contained pump
- Suitable for engines with moderate power without aggressive forced induction
- Pairs well with typical fuel lines and filters in aftermarket installations
Why choose the Holley Mighty Mite
Holley’s legacy in performance components informs the Mighty Mite’s design, prioritizing reliable operation and practical flow rates. This pump offers a flexible option for builders seeking dependable fuel delivery without overextending a budget. Consider it for everyday driving, hobbyist builds, or OEM-replacement style applications where space and reliability matter.
FAQ
Q: What vehicles or setups is the Holley 12-427 Mighty Mite suited for?
A: Best for smaller, naturally aspirated builds up to about 400 HP, delivering up to 32 GPH at 4-7 psi for steady fuel delivery.
Q: Does this pump require special wiring or extra components?
A: It runs on 12-volt power and uses a solid-state design; installation typically requires standard fuel-wiring and mounting hardware—verify compatibility with your vehicle’s fuel system.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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