385 - 12.9 - 389hp Stage 1 tuning

The Case ih STX 385 - 12.9 - 389hp produces 389 hp and 1 Nm as standard. The YASTUNING Stage 1 remap file takes it to 456 hp and 1 Nm, a gain of +67 hp. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.