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GMC Sierra 6.2 V8 420hp ECU Tuning File

GMC Sierra 6.2 V8 420hp

2017 ->

Power +20bhp
Stock
420bhp
Tuned
440bhp
Torque +21Nm
Stock
609Nm
Tuned
630Nm
Make
GMC
Model
Sierra
Generation
2017 ->
Engine
6.2 V8 420hp

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The GMC Sierra 6.2 V8 420hp (2017 ->) produces 420bhp and 609Nm in standard form. Our Stage 1 ECU tuning file raises output to 440bhp and 630Nm, a gain of 20bhp and 21Nm, with no hardware modifications required. The file is delivered through the ByteFlash Portal and is ready to write to the vehicle.

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