4.3 V8 400hp Stage 1 tuning

The Aston Martin Vantage 4.3 V8 400hp produces 400 hp and 418 Nm as standard. The YASTUNING Stage 1 remap file takes it to 425 hp and 440 Nm, a gain of +25 hp and +22 Nm. Engine code GAM05. ECU: Ford EEC-VI. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.