420 - 4.5 - 100hp - Tier 4 Stage 1 tuning

The Claas Arion 420 - 4.5 - 100hp - Tier 4 produces 100 hp and 435 Nm as standard. The YASTUNING Stage 1 remap file takes it to 130 hp and 550 Nm, a gain of +30 hp and +115 Nm. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.