Motor Ops 2.8L Duramax DSP4 Tune

Motor Ops has spent countless hours revamping and perfecting our 2.8L tune offering. We are proud to be able to deliver tunes for 2016, 2017, 2018, and 2019 2.8L LWN Duramax engines. For the best balance of drive-ability and reliability we recommend adding the transmission tune to go with your DSP4 tune. Motor Ops can provide tuning options for any part combination that you decide to add to your truck.