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← Mercury QSD 4.2 engines

Mercury QSD 4.2 320 HP 320hp (235kW) 703Nm

I · 320 hp
Stage 1
OriginalAfter tuningDiff
Power hp320 390 +70
Torque Nm703 850 +147
Power gain
+22%
Torque gain
+21%
Ready to feel these +70 hp on the road?
Get your ready-to-flash Stage 1 file for the Mercury QSD 4.2
Order tuning file →
Stage 1 file from €95
Exact price depends on the ECU — confirmed when you upload the file
✓ Original file back-up ✓ Delivered in ~30 min ✓ Support included
Power graph / Stage 1
PowerTorqueStock
dyno graph