4.3 V6 195hp Stage 1 tuning

The GMC Sierra 4.3 V6 195hp produces 195 hp and 353 Nm as standard. The YASTUNING Stage 1 remap file takes it to 215 hp and 370 Nm, a gain of +20 hp and +17 Nm. Engine code LU3. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.