Stage 1 Aston Martin V8 Vantage 4.3/4.7 AJ37 ECU Tune — +25HP | YPG Motorsport H&R It bridges the gap between

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Stage 1 Aston Martin V8 Vantage 4.3/4.7 AJ37 ECU Tune — +25HP | YPG Motorsport H&R It bridges the gap betweenSPEC STOCK YPG TUNED GAIN 4. 3L Power 380 HP 405 HP +25 HP 4. 3L Torque 410 Nm 440 Nm +30 Nm 4. 7L Power 426 HP 451 HP +25 HP 4. 7L Torque 470 Nm 500 Nm +30 Nm AJ37 Hardware: None runs on full stock hardware, 98 RON Aston Martin V8 Vantage (20052017) with the naturally aspirated AJ37 4. 3L 4. 7L V8 Stage 1 ECU calibration. Sharper throttle response, optimized ignition and fueling, raised rev limit and full torque delivery across the range. Power gain: