my freinds got a 2007 chevy silverado 4.8l and he wonts to sell his superchip someones offered him 250 and he turned it down so iff yall wont to make him a higher offer just ask and ill set it up. he paid about 4??. part number is 2815 on the superchip site for all the vehicles and motors itll work on comes in the box and i unprogrammed and checked that the govener/stock setting were in affect.