Jeep Grand Cherokee · 2011 - 2020

SRT8 6.4 Hemi V8 475hp Stage 1 tuning

The Jeep Grand Cherokee SRT8 6.4 Hemi V8 475hp produces 475 hp and 637 Nm as standard. The YASTUNING Stage 1 remap file takes it to 495 hp and 655 Nm, a gain of +20 hp and +18 Nm. Engine code 6.4 Hemi V8. ECU: Siemens/Continental GPEC2, Siemens/Continental GPEC2A. The file is checksum-corrected and reviewed by an experienced calibrator within factory component tolerances.

Power
475 hp 495 hp +20 hp
Torque
637 Nm 655 Nm +18 Nm

Engine specifications

Engine code
6.4 Hemi V8
Fuel
Petrol
Displacement
6417 cc
Compression
10.9 : 1
Bore × Stroke
103.9 X 94.5 mm
ECU
Siemens/Continental GPEC2, Siemens/Continental GPEC2A
Method
Chiptuning

Available options

Software options we can include with the Jeep Grand Cherokee SRT8 6.4 Hemi V8 475hp file on request.

Supported read methods

Tools known to read and write this ECU. Send the stock file from any of them and we return the tuned file in the same format.