• Must - have accessory if you want to save your lifters/pushrods/top end from the disastrous A.ctive F.uel M.anagement / D.isplacement O.n D.emand systems in the 2014 - 2018 (Gen 5 - K2XX) 1/2 ton GM trucks. • This Range (Blue) AFM disabler has been lightly used, is in mint condition, and is in perfect working order. • Used for approximately 20k kilometers • Save ~ 35% compared to buying a new unit • Reason for selling - bought a tuner for truck, no longer need the Range device. • Price is firm, lowball offers ignored • Thank you for your interest, email please