Holley Diecast In-Tank Retrofit Fuel Pump Modules 12-158 Pumps, Retrofit, Die-Cast, In-Tank, Electric, 67 gph, 255 lph, 60 psi, 12V, Aluminum Housing, 1/4 in.-NPT Female, 6.5-12 in. Tank Depth, Each
Holley Diecast In-Tank Retrofit Fuel Pump Modules 12-158 Pumps, Retrofit, Die-Cast, In-Tank, Electric, 67 gph, 255 lph, 60 psi, 12V, Aluminum Housing, 1/4 in.-NPT Female, 6.5-12 in. Tank Depth, Each
Description
Data: v2 - Desc: v4.2 - Upd: 2026-11-08 02:17:08
Features
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Specifications
Reference Information
| Reference Data (Provide these details to our support team) | |
|---|---|
| Brand Name/s | Holley, Hilborn, Holley Efi, Retrobright, Terminator X |
| StreetFX SKU | hly12-158 |
| SFX Item ID | 4784165 |
| Accounting SKU | hly-12-158 |
| Manufacturer SKU | 12-158 |
| Manufacturer UPC | 090127017678 |
| Alternative References | 12-158, HLY-12-158, HOL12-158 |
Fuel Pumps, Retrofit, Die-Cast, In-Tank, Electric, 67 gph, 255 lph, 60 psi, 12V, Aluminum Housing, 1/4 in.-NPT Female, 6.5-12 in. Tank Depth, Each
Holley diecast in-tank retrofit fuel pump modules are quick and easy ways to convert your factory tank or fuel cell into an EFI in-tank fuel system, while also adding the benefits of a Holley HydraMat in the process! The conversion is easily accomplished with basic tools and requires no welding or fabrication. The aluminum module design includes a diecast pump hanger bracket to control pump vibration, while also providing a low-profile design to fit where space is at a premium. Holley's innovative clamping system and integrated fuel pump makes it a simple install. Interested in an EFI retrofit kit, but can't get past the complicated fuel system? Holley diecast in-tank retrofit fuel pump modules are your solution. They're available in various flow rates, as well as return and returnless versions.
Features include:
• Installs in any fuel tank from 6.5 in. to 12 in. deep (depending on kit) to fit a wide variety of applications
• The low-profile design is only 1.275 in. above the tank mounting surface for added clearance when needed
• The innovative clamping system allows you to locate the module anywhere in the tank beside your existing sending unit
• The clamping system allows you to rotate the unit 360 degrees for easier clocking of the plumbing and wiring locations under your ride
• Includes innovative Holley HydraMat to ensure consistent fuel supply. The 3 in. x 15 in. HydraMat mounting flange has six clocking pin locations to allow for 360 degrees of adjustment to clear sending unit levels or any tank floor restrictions that you might encounter
• Diecast aluminum construction for corrosion resistance and long-lasting good looks
• 1/4 in. NPT ports for a wide variety of plumbing options
• Ideal for Terminator EFI, Sniper EFI, MSD Atomic EFI, or any TBI or EFI conversion
• Two different fuel pumps are available—255 lph or 400 lph for both return and returnless-style systems
| Product Attributes | |
|---|---|
| Brand | Holley |
| Manufacturer's Part Number | 12-158 |
| Part Type | Fuel Pumps |
| Product Line | Holley Diecast In-Tank Retrofit Fuel Pump Modules |
| UPC | 090127017678 |
| Fuel Pump Type | Electric In-tank |
| Flow Rate | 67 gph/255 lph |
| Fuel Pressure (psi) | 60 psi |
| Fuel Pump Voltage | 12 V |
| Fuel Pressure Regulator Included | No |
| Sending Unit Included | No |
| Fuel Pump Inlet Size | 1/4 in. NPT |
| Inlet Quantity | 1 |
| Inlet Attachment | Female threads |
| Fuel Pump Outlet Size | 1/4 in. NPT |
| Outlet Quantity | 1 |
| Outlet Attachment | Female threads |
| Gasket Included | No |
| Wiring Harness Included | No |
| Mounting Bracket Included | No |
| Mounting Hardware Included | No |
| Pulley Included | No |
| Remanufactured | No |
| Quantity | Sold individually. |
| Notes | Works on a 6.500 in. to 12.000 in. deep tank. Must be used with a non-return style system. Supports up to 550 EFI or 700 carbureted hp. |
Compatibility
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