6.2 V8 420hp Stage 1 tuning

The Chevrolet Suburban 6.2 V8 420hp produces 420 hp and 623 Nm as standard. The YASTUNING Stage 1 remap file takes it to 441 hp and 657 Nm, a gain of +21 hp and +34 Nm. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.