O.CT Tuning has prepared a tuning package for the Jeep Grand Cherokee SRT8, Dodge Challenger SRT8 and Ram 1500. The V8 6.4-liter HEMI engine in the Grand Cherokee SRT8 with the package installed produces 564 hp and 735 Nm of torque, while the company offers also a package that makes the engine produce 600 hp.
The Dodge Challenger SRT8 OCTSRT8-700 on the other hand, with the package installed delivers 720 hp and 875 Nm of torque. Finally, the company offers a supercharger kit for the V8 5,7-liter HEMI engine of the Dodge Ram 1500, but they have not yet announced the horsepower.
