Holley Diecast In-Tank RetroFit Fuel Module Returnless System - 12-169 brake-hoses Over 35+ years of Flowmaster

Over 35+ years of Flowmaster Quality

Includes a large 4

Flow FX straight-through performance muffler offers a deep powerful sound

4L V8 1975 - 1978 GMC C15   454/7

Holley Diecast In-Tank RetroFit Fuel Module Returnless System - 12-169 brake-hoses Over 35+ years of FlowmasterOverview: Are you interested in an EFI retrofit kit, but just can't get past the complication of the fuel system? 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! The conversion is easily accomplished with basic tools and requires no welding or fabrication. The aluminum