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1979-1986 GMC P3500
Signature Horn ButtonSince 1962
Torque max gains
Improves Engine Efficiency Increases Average Fuel Economy
Holley In-Tank RetroFit Fuel Module - 450 LPH 34014BL 1979-1986 GMC P3500Are 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
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