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