GMC Sierra 6.2 (2017 - 2018) C8 Fuel System Peitz Performance Alpha spec port

Peitz Performance Alpha spec port injection control w/Core ECM

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- The stainless backplate ensures all harness fasteners and the antenna are attached in their factory locations

The DCM is the gold standard of the Peitz Performance tuning module offerings

Our internal software meticulously works to optimize the factory injection pressure to amplify combustion efficiency

GMC Sierra 6.2 (2017 - 2018) C8 Fuel System Peitz Performance Alpha spec portImprove your truck or SUV's performance and drivability with a Peitz Performance Delta tuning package! We developed these tunes with the overall driving experience in mind. Not only will you gain power at wide open throttle, but you will also feel the difference at part throttle via improved throttle response and quicker shifting. These packages are intended for stock L83 5. 3 liter and L86 6. 2 liter Silverados, Tahoes, and Suburbans. Simply plug