Racepak Adapter for Holley ECU H774001M Following heat-treat

Following heat-treat

87 in L x 7

500 in ID Coil-Cover

1 in Longer Big Body

Kansas in the heart of the USAVehicle Applications: 2014-2018 GMC Sierra 1500

Racepak Adapter for Holley ECU H774001M Following heat-treatRacepak Adapter for Holley ECU Racepak LLC was founded in 1984 by Spencer Eisenbarth and Ron Armstrong, originally as Racepak and its parent company, Competition Systems, Incorporated (CSI). Both men were engineers with strong backgrounds in electrical and mechanical applications, and both had an interest in motor sports. Through an earlier joint effort aimed at obtaining data for the improvement of the Unlimited Hydroplane that Armstrong was piloting