GMC Sierra 6.2 V8 420hp Tuning File
Performance Gains
Standard Power
420hp
Tuned Power
440hp
Power Gain
+20hp
Standard Torque
609Nm
Tuned Torque
630Nm
Torque Gain
+21Nm
Vehicle Details
Fuel Type: Petrol
Engine Capacity: 6162 CC
Control Modules
Delco E92
About This Tuning File
The GMC Sierra 6.2 V8 420hp (2014 - 2016) 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.
Other Engine Variants
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