






Holley 12-427 32 GPH Mighty Mite Electric Fuel Pump, 4-7 PSI
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Holley is probably best known for its hot-rodding image. Indeed, Holley DOMINATOR - carburetors still propel 1,200-horsepower Pro Stockers down the quarter mile. But that's only part of our story. Holley Performance Products provides a diverse line of merchandise for original equipment, as well as the aftermarket. Product Overview: The Holley 12-427 Mighty Mite electric fuel pump delivers 32 gallons per hour (GPH) with a 4–7 PSI operating range and 12-volt operation. Its reliable solid-state design provides longer life and is rated good for applications up to 400HP (naturally aspirated). The gerotor-style pump features alloy steel construction, flange mounting, and barbed/hose barb inlet fitting with a 3/8 NPT outlet. This unit ships with pump, fuel filter, fittings, and mounting hardware for straightforward installation. Technical & Fitment: Designed for vehicle-specific fitment on cars and trucks. Operation mode is automatic; gas types include gasoline and diesel where applicable. Inlet/outlet connection size is 0.31 inches (inlet: hose barb, outlet: 3/8 NPT). Item weight (marketplace spec) is 15.2 ounces. Manufacturer warranty: 90 day. Unit Count: 1. Included Components and Use: Includes pump, fuel filter, fittings, and mounting hardware. Ideal for performance and replacement applications where a compact, reliable electric fuel pump is required.
- Reliable solid state design provides longer life
- Good for up to 400HP naturally aspirated
- 32 gal/hr flow
- 4-7 psi operating pressure
- 12 volt operation
Specifications:
| Materials & Construction | |
| Body Material | Alloy Steel |
| Material | Alloy Steel |
| Material Type | Alloy Steel |
| Product Details | |
| Connector Type | barbed |
| Included Components | Pump, fuel filter, fittings, mounting hardware |
| Inlet Connection Size | 0.31 Inches |
| Inlet Connection Type | Hose Barb |
| Item Type Name | electric fuel pump |
| Manufacturer Warranty Description | 90 day |
| Mounting Type | Flange Mount |
| Operation Mode | Automatic |
| Outlet Connection Size | 0.31 Inches |
| Outlet Connection Type | 3/8 NPT |
| Part Interchange Info | 12-427 |
| Product Grade | Like New |
| Product Style | Gerotor |
| Specification Met | OE |
| Unit Count | 1.0 Count |
| Sizing & Dimensions | |
| Height | 7.0 inches |
| Length | 13.8 inches |
| Product Dimensions | 13.8000 x 11.4000 x 7.0000 |
| Product Weight | 12.9000 |
| Weight | 12.9 pounds |
| Width | 11.4 inches |
| Technical Specifications | |
| Auto Part Position | Front |
| Gas Type | diesel,gas |
| Product Grade | Like New |
| Product Style | Gerotor |


