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Description
Holley In-Tank RetroFit Fuel Module- Returnless Style 12-133450 LPH Returnless 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) 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.
450 LPH Returnless 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)
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 8? to 12? deep to fit a wide variety of applications
- The low profile 5 inch diameter design is only 1.275 inches 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
- Black anodized 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
- Eliminates the need for a return line and conventional fuel pressure regulator. Thus, simplifying your installation
- Includes an internal fuel pressure regulator preset at 60 psi for a wide variety of applications. No return line required!
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 |
| 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 | None |
| Inlet Type | NPT |
| Internal Or External Strainer | External |
| Lock Ring Included | Yes |
| Material | Billet Aluminum |
| Maximum Pressure | 60Pounds per Square Inch |
| Minimum Fuel Tank Depth | 8 Inches |
| Mounting Hardware Included | Yes |
| Negative Ground | Yes |
| NPT Thread | 1/4 NPT |
| Outlet Fitting Thread Size | 1/4Inch |
| Outlet Quantity | One |
| Outlet Type | NPT |
| Product Type | Fuel Pump Module |
| Pump Type | Electric |
| Regulator Included | Yes |
| Sale Category | Air and Fuel Delivery |
| Top Mount Diameter | 5Inch |
| Universal Or Specific Fit | Universal |
| Voltage | 12Volts DC |
| 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
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Based on 466 reviews
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Product Reviews
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5
Great material, look and quality material!
Size: 8, Color: Lapis Awe
Perfect Fit, Great Quality โ Just What We Needed!
We purchased a pair of Levi's for our grandchild, and we couldnโt be happier with the product.
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Reviewed in the United States on September 7, 2025
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5
Favorite jeans
Size: 16, Color: Lapis Sights
Great jeans. Love the fit. True to size.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
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5
Must buy
Size: 12, Color: Lapis Awe
Love these for my kiddo the size is just right and they are very comfortable. They donโt get put in the dryer so I canโt say if they shrink. They seem very durable as well which is awesome.
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Reviewed in the United States on February 25, 2026
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5
The perfect jean for the "in between tween"
Size: 16 Plus, Color: Md Lara Wash
As a parent, one of my top priorities is ensuring that my daughter feels confident and comfortable in her own skin, especially as she navigates the challenging world of growing up. However, finding the perfect pair of jeans for her has always been a struggle. At the tender age of 11, the last thing I want her to experience is frustration and discomfort when trying on clothes.
We've encountered the all-too-common issue of jeans that fit well on the legs but are impossible to zip up and button, leaving my daughter feeling self-conscious and disheartened. Despite her not being plus-sized, finding jeans in her size that didn't constrict or make her feel "fat" (a term I use delicately) seemed like an impossible task.
Enter these jeans. In a moment of trial and error, I decided to try a plus-size option, and to our delight, it worked like a charm. My daughter slipped into these jeans effortlessly, and for the first time, she didn't have to struggle or squeeze into them. The fit was perfect, and she felt like a million dollars.
The transformation in her confidence was truly remarkable. No longer did she feel insecure about her body or her clothes. Instead, she walked tall, radiating beauty and confidence. These jeans have become a wardrobe staple for her, and I couldn't be happier with the way they've positively impacted her self-esteem.
If your daughter is going through a similar experience, I wholeheartedly recommend giving these jeans a try. They're not only affordable but also incredibly inclusive in their sizing, catering to a diverse range of body types. Don't let the frustration of finding the right fit dampen your daughter's spirits. With these jeans, she'll feel empowered and beautiful, just as every young girl should.
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Reviewed in the United States on March 8, 2024
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5
Jeans
Size: 10, Color: Victory Blue Wash
Good quality jeans. True to size. Wash well.
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Reviewed in the United States on May 11, 2026
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