GMC Sierra 6.2 (2019 - 2021*) performance ** This tuning package will

** This tuning package will work on some 2022 model year vehicles that were not Global B

Non-Hellcat applications will also require a Hellcat oil filter adapter as well as some adjustments to the coolant lines

Please note

Peitz Performance Tunes partnered with Ultimate Performance to develop these coil overs which bolt right in place of your factory suspension

then we have the Level 1 tune available as well which adds 14 horsepower

GMC Sierra 6.2 (2019 - 2021*) performance ** This tuning package willImprove 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 L84 5. 3 liter and L87 6. 2 liter Silverados, Tahoes, and Suburbans. In order to