Holley In-Tank RetroFit EFI Fuel Modules

Drop-In Retrofit EFI Fuel System

Are you interested in an EFI retrofit kit#, but just can't get past the complexity of the fuel system? Holley's Universal In-Tank Retrofit Fuel Modules are available in return and returnless versions to quickly and easily convert your factory tank or fuel cell to an in-tank EFI fuel system using only basic tools; no welding or metal fabrication is necessary. Each low-profile aluminum module includes a pump hanger bracket to control pump vibration along with an innovative clamping system that allows it to be positioned in the tank near the existing sending unit. Once installed#, simply hook-up the fuel lines#, power source#, and ground; then you're ready to run!