The Edelbrock E-Force Supercharger system is designed for your 2015 6.4L HEMI Jeep Grand Cherokee SRT. The E-Force kit makes an excellent amount of horsepower and torque. Featuring a unique design with minimal components makes it possible to fit an E-Force Supercharger under the stock hood. The core of each system is the Eaton Gen VI R2650 Supercharger rotating assembly with a four lobe design with 170 degrees of twist for maximum flow, minimum temperature rise and quiet operation for excellent drivability.