Jeep Grand Cherokee · 2011 - 2020

SRT8 6.4 Hemi V8 475hp Stage 1 tuning

ECU remap / chiptuning file for the Jeep Grand Cherokee SRT8 6.4 Hemi V8 475hp. Figures below compare the stock calibration with our tuned file, reviewed by experienced calibrators with safety limits respected.

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