Holley EFI Data Transfer Cable Hellwig Cylinder Head Stud

Cylinder Head Stud

pioneered the use of ceramic-metallic coatings

Logging Display

This advanced suspension system is engineered to deliver maximum ride height without compromising the integrity of your factory bushings

2007-2010 GMC Sierra 1500 69

Holley EFI Data Transfer Cable Hellwig Cylinder Head StudWhen updating your ECU firmware, you MUST unplug the CAN Splitter from them main harness. Plug the device updating the ECU Firmware directly into the Main Harness. Allows you to easily add other CAN devices to your installation such as a Digital dash, or the 558 443 USB to CAN communication cable Product Description: Data Transfer Cable Holley EFI CAN Splitter Sold Individually Holley is quickly becoming The New Standard In EFI! Holleys HP ECU is