Holley: Universal In-Tank Retrofit Fuel Module

Universal in-tank retrofit fuel modules—available in return-style and returnless versions—from Holley eliminate the burden of converting a factory tank or fuel cell for an in-tank EFI fuel system.

Available in 255 and 450 LPH pump options, both versions benefit from Holley’s HydraMat system to handle fuel pickup. Returnless modules include all the features of a standard return module and eliminate the need for a return line and a conventional pressure regulator.

A vibration-resistant clamping system and integrated fuel pump make it easy to locate the module anywhere in the tank and rotate the unit a full 360 degrees for unlimited plumbing and wiring clocking. All-aluminum construction and black anodizing make for great looks and maximum corrosion-resistance, while one-quarter-inch NPT ports allow for a variety of plumbing options.


  • Two versions available: return-style or returnless.
  • Two integrated fuel pump options: 255 and 450 LPH.
  • HydraMat system handles fuel pickup.
  • Vibration-resistant clamping system.
  • Black anodized aluminum.
  • 1/4-inch NPT port.

For more information contact a Karbelt Pickering sales rep.

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