(SMI-IH2-GMT800-YMK) Year Model Key YMK for SMI-IH2-GMT800 Integrated Harness

Speed Max Innovation
Regular price
Sale price
Regular price
Sold out
Unit price

The YEAR MODEL KEY is required for proper operation of the 03-07 GT800 Holley Integrated Harness. There are just a few differences in wiring between certain year models. This key makes the proper connections for the year model of your truck.


By purchasing this YMK for your SMI-IH2-GMT800, you are taking full responsibility for the safety and correct operation of the vehicle it is being installed on. Speed Max Innovation LLC is in no way, shape, or form responsible for your vehicle, or any vehicle involved. This harness is OFF-ROAD USE ONLY.