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Description
Holley Diecast In-Tank RetroFit Fuel Module Returnless System 12-159450 LPH Drop In Retrofit EFI Fuel System w Hydramat Supports up to 875 EFI or 1100 Carb HP (@ 60 PSI at 13. 5 Volts 16. 9 AMP Draw) Of course there are many variables, estimates are based on gasoline. Are you interested in an EFI retrofit kit, but just can't get past the complication of the fuel system? Holley is proud to introduce their Universal In Tank Retrofit Fuel Modules! Available in return and returnless versions, you can rest assured Holley
450 LPH Drop-In Retrofit EFI Fuel System w/Hydramat Supports up to 875 EFI or 1100 Carb HP (@ 60 PSI at 13.5 Volts / 16.9 AMP Draw) Of course there are many variables, estimates are based on gasoline.
Are you interested in an EFI retrofit kit, but just can't get past the complication of the fuel system? Holley is proud to introduce their Universal In-Tank Retrofit Fuel Modules! Available in return and returnless versions, you can rest assured Holley has the solution you need for your EFI fuel pump woes.
NOTES: It is recommended to use a Holley 12-753 30 Amp Fuel Pump Relay along with a minimum size of 12 Gauge wire for your installation. *** Maximum 6AN line and fitting size due to space limitations between unit and fuel tank.
Features:
- The easiest way to convert your vehicle to an in-tank, EFI fuel system
- Installs in any fuel tank from 7? to 12? deep to fit a wide variety of applications
- The low profile 5 inch diameter design is only 1.275 inch thick 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? x 15? HydraMat mounting flange has 6 clocking pin locations to allow for 360 degree adjustment to clear sending unit levels or any tank floor restrictions
- Die cast aluminum construction for corrosion resistance and long lasting good looks
- ?? NPT ports for a wide variety of plumbing options
- Ideal for Terminator EFI, Sniper EFI, MSD Atomic EFI or any TBI of EFI conversion
- Optional roll over valve available
- Two different fuel pumps are available to match your requirements - 255LPH or 450LPH for both return and returnless style systems
Specs:
| Application | Universal |
|---|---|
| Average Current Draw | 16.9Ampere |
| Average Flow Rating | 450Liters per Hour |
| Brand | Holley |
| Clearance Category | Air and Fuel Delivery |
| Connector Color | Black |
| Connector Gender | Male |
| Connector Quantity | 1 |
| Discount Percentage | 26-50% |
| Emission Code | 5 |
| Finish | Black |
| Free Flow LPH | 450 |
| Fuel Filter Included | Yes |
| Fuel Sending Unit Included | No |
| Fuel Tank Pressure Sensor Included | No |
| Fuel Type | E85, Gasoline |
| Gasket Or Seal Included | Yes |
| Gasket Or Seal Material | Foam |
| Grade Type | Performance |
| Height | Adjustable |
| Housing Material | Aluminum |
| In Tank or External | In Tank |
| Inlet Fitting Thread Size | 1/4Inch |
| Inlet Quantity | One |
| Inlet Size | 1/4 inch NPT |
| Inlet Type | NPT |
| Internal Or External Strainer | External |
| Lock Ring Included | No |
| Material | Die Cast Aluminum |
| Maximum Pressure | 60Pounds per Square Inch |
| Minimum Fuel Tank Depth | 7 inches |
| Mounting Hardware Included | Yes |
| Negative Ground | Yes |
| NPT Thread | 1/4 NPT |
| Outlet Fitting Thread Size | 1/4Inch |
| Outlet Quantity | One |
| Outlet Size | 1/4 inch NPT |
| Outlet Type | NPT |
| Product Type | Fuel Pump Module |
| Pump Type | Electric |
| Regulator Included | No |
| Sale Category | Air and Fuel Delivery |
| Top Mount Diameter | 5Inch |
| Universal Or Specific Fit | Universal |
| Voltage | 12Volts DC |
| Warning | California Proposition 65 |
| Warranty | Limited 90 Day |
| Wire Harness Included | Yes |
| Wire Quantity | 2 |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 401 reviews
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Product Reviews
★★★★★ 5
Love the T-la Phone Holder!
This phone holder is probably the best I have ever owned. It does NOT shake loose and it displays right where I need to see the phone. It is safe to use and a great size (I have a Note). I think this is really high quality and I am very happy with this purchase.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 14, 2026
★★★★★ 5
Charges well and is sturdy and secure.
Color: PINK
This has been working really well for me. I have it mounted on my dash and not the window and it is very sturdy. My phone charges well with this and it has never dropped my phone and doesnt wiggle with car movement do it is very sturdy compared to others iv had in the past. Easy to remove phone and put phone in without having to adjust size every time. Great for delivery drivers. I haven't used the vent mount and don't see the need for it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026
★★★★★ 5
Charging phone holder
Color: PURPLE
My man loves this. He says it helps when he drives incase he needs a different route and his phone is needed. It is easy for him to use and fits his cellphone well. It seems to be very durable and keeps the phone stable and locked in place.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
★★★★★ 5
Good purchase
Color: BLACK
Works well. Charges quickly. Keeps phone secure while driving
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
★★★★★ 4
Well-designed but might not fit smaller phones
Color: BLACK
This is a very nice product. My only complaint is that it is not well-suited for my older Samsung S22 phone, because the phone sits so low I. The cradle that its power button is inaccessible. I solved that by fastening a small spacer onto the bottom edge of the cradle, and now it works very well. It would be a better product if the bottom edge of the cradle could be adjusted. Aside from that minor issue, it automatically grips the phone and holds it firmly, and there's a built-in battery so the ungripping process functions even after the ignition is turned off and power to the cradle is shut off.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 25, 2026
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