(USED) 2006 GM 8.1L Vortex, ECM. S/N-86YNBM926121GK9R P/N-89017749 HP-N/A CPL-N/A PINS-80, 80 Engine Model-N/A For more information about this item call. We ship Worldwide. 929 W Pulaski Hwy Elkton, MD 21921