340 8.7 Tier 4A Stage 1 tuning

The Case ih Magnum 340 8.7 Tier 4A produces 340 hp and 1671 Nm as standard. The YASTUNING Stage 1 remap file takes it to 430 hp and 2100 Nm, a gain of +90 hp and +429 Nm. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.