Description: 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.Now you can convert your factory tank or fuel cell to an in-tank EFI fuel system quickly and easily! And- add 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 die cast pump hanger bracket to control pump vibration while also providing a low profile design to fit where space is at a premium Holley 12-137 Diecast In-Tank RetroFit Fuel Module with Return Sku # 42512137 Mfr. Part # 12-137 Condition New Brand Holley Sold Each Details Info 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.Now you can convert your factory tank or fuel cell to an in-tank EFI fuel system quickly and easily! And- add 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 die cast 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 easy. Once installed, hook up your fuel lines and your power source/ground and you're off and running! NO hassle!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. Individual systems will vary based on fuel system design, regulator type, fuel cell location, etc... The easiest way to convert your vehicle to an in-tank, EFI fuel system Compatible for return line style systems Installs in any fuel tank from 7” to 12” deep to fit a wide variety of applications The low profile design is only 1.275" 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 that you might encoun Die cast aluminum construction for corrosion resistance and long lasting good looks ¼” 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 Charts (PDF) Installation Tips Fits 7-12" deep tank. For return-style systems. This item is being shipped to you directly from the manufacturer and is subject to an increased handling time. Delivery estimates that include the handling time are displayed on the "Shipping and Payments" tab. Specs Material Type Cast Aluminum Gasket(s) Included No Wiring Harness Included No Fuel Pressure Regulator Included No Sending Unit Included No Mounting Bracket Included No Voltage 12 Mounting Hardware Included No Fuel Type E85 Maximum Pressure 60 Electric Fuel Pump Type In Tank Electric Fuel Pump Inlet Fitting(s) 1/4" NPT Female Electric Fuel Pump Outlet Fitting(s) 1/4" NPT Female MFG. Part # 12-137 GTIN Code 090127017661 Overall Diameter 4.8 Free Flow Rate 119 GPH / 450 LPH Tech Support We're here to help before and after your purchase. If you have a question or need assistance with one of our products, please contact us through eBay Messaging and a knowledgeable Speedway Motors team member will be happy to help. About Speedway Motors is America’s Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 72 years. Founded in 1952 by “Speedy” Bill Smith – a racer and street rodder himself – Speedway has grown from a one-man operation to become the world’s largest manufacturer, distributor and retailer of street rod and racing products. Our industry-leading fast delivery is the result of same-day shipping from our state-of-the-art, centrally located 500,000 sq. ft. headquarters. Speedway’s size offers customers unmatched product selection and low pricing, while our excellent technical support and customer service have made us a recognized leader in the rodding and racing industries.
Price: 748.95 USD
Location: Bowling Green, Kentucky
End Time: 2025-01-25T13:20:07.000Z
Shipping Cost: N/A USD
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Item Specifics
Return shipping will be paid by: Buyer
Returns Accepted: Returns Accepted
Item must be returned within: 60 Days
Refund will be given as: Money Back
Return policy details:
Type: Electric Fuel Pumps
Voltage: 12 volts
Universal Fitment: Yes
California Prop 65 Warning: True
Manufacturer Part Number: 121-37
Material: Aluminum
Brand: Holley