Blessed Performance has the Skyjacker Valve Cover Conversion Harness 2006+ to 03-05 Cummins trucks.
Convert your 2006-2018 Ram with 6-pin injector connectors to the 2003-2005 4-pin injector connectors with the Fleece plug-and-play conversion harness. This conversion harness is for use on a 2006-2018 Cummins where a 2003-2005 rocker box style is used. Produced in-house, by the Fleece manufacturing process including fully automated wire cutting and terminal crimping to ensure you get the highest quality replacement parts you need!