Whipple Superchargers Supercharger Kit

2012–2014 Jeep Grand Cherokee 5.7L Hemi

WK-3121-30

Overview:

The Whipple Supercharger Kit for the 2012 to 2014 Jeep Grand Cherokee 5.7L Hemi is a high-performance forced induction system designed to dramatically increase horsepower and torque while maintaining reliability and drivability. Engineered by Whipple Superchargers, pioneers of twin-screw supercharging since 1987, this kit features the latest Gen 5 3.0L supercharger technology. It delivers instant boost and enhanced throttle response, making it an ideal upgrade for enthusiasts seeking substantial power gains without compromising factory aesthetics or requiring internal engine modifications.

This complete supercharger system is tailored specifically for the Jeep Grand Cherokee 5.7L Hemi, providing a seamless integration that looks factory installed. It is perfect for drivers who want to unleash the full potential of their HEMI engine with a proven, efficient, and powerful solution.

Key Features:

The Whipple Gen 5 3.0L Supercharger Kit incorporates advanced technology and premium components to maximize performance and reliability. Key features include:

• Industry-leading Gen 5 3.0L twin-screw supercharger with 3/4 rotors for improved efficiency and power delivery
• Patent-pending dual intercooler, dual pass technology for superior cooling capacity and consistent performance
• Massive 112mm integrated Crusher™ round inlet designed for high airflow and optional oversized throttle bodies
• One-turn inlet design reducing induction losses compared to traditional rear inlet systems with 180-degree bends
• Plug and play wiring harness with male and female connectors for straightforward installation
• High flow fuel injectors and new colder spark plugs included for optimized combustion
• Optional high flow air filter system for enhanced intake efficiency
• Completed installation maintains a factory-installed appearance
• 50-state legal with CARB EO number D-231-92, requiring no internal engine modifications
• Available in wrinkle black, polished finish, or custom colors to match vehicle styling

Construction & Design:

The Whipple Supercharger Kit is engineered with precision and durability in mind. The Gen 5 supercharger features robust 3/4 rotors that provide more power per pound of boost while maintaining smooth and reliable operation. The dual intercooler system uses patent-pending dual pass technology to maximize heat dissipation, ensuring cooler intake air temperatures for improved performance and engine longevity.

All components are crafted from high-quality materials and designed to integrate seamlessly with the Jeep Grand Cherokee’s engine bay. The kit includes an upgraded belt system to handle increased loads, and the integrated Crusher™ inlet optimizes airflow with minimal restrictions. The overall design emphasizes efficiency, power, and ease of installation without sacrificing the vehicle’s factory look.

Performance & Sound

The Whipple Supercharger delivers instant boost at the touch of the throttle, providing neck-snapping torque and exhilarating top-end horsepower. Drivers will experience a significant increase in acceleration and throttle response, transforming the Jeep Grand Cherokee into a high-performance machine capable of dominating both street and track environments. The system’s twin-screw design produces a smooth, consistent power curve with a distinctive supercharger whine that enhances the driving experience without being intrusive.

Installation & Fitment:

This supercharger kit is designed for a direct fit on 2012 to 2014 Jeep Grand Cherokee models equipped with the 5.7L Hemi engine. Installation requires no internal engine modifications, and the kit includes all necessary parts and hardware for a complete setup. The plug and play wiring harness simplifies electrical connections, reducing installation time and complexity. The finished installation maintains a clean, factory-installed appearance, making it suitable for enthusiasts who value both performance and aesthetics.

What's Included:

• Gen 5 3.0L twin-screw supercharger assembly
• Dual intercooler system with dual pass technology
• Integrated Crusher™ 112mm round inlet
• High flow fuel injectors
• Plug and play wiring harness with connectors
• Optional high flow air filter system
• Upgraded belt system
• New colder spark plugs
• All necessary installation hardware and brackets
• Detailed installation instructions

Ideal For:

This Whipple Supercharger Kit is ideal for Jeep Grand Cherokee 5.7L Hemi owners seeking a powerful, reliable, and turnkey forced induction upgrade. It suits enthusiasts who want substantial horsepower and torque gains without sacrificing drivability or requiring extensive engine modifications. Whether for street performance, weekend track use, or spirited driving, this kit delivers a balanced combination of power, efficiency, and ease of installation.

Emissions Note

This supercharger kit is 50-state legal with CARB Executive Order D-231-92, ensuring compliance with emissions regulations. No internal engine modifications are required, preserving the vehicle’s emissions certification and legal status for street use.

Whipple Superchargers is a performance forced‑induction brand known for twin‑screw supercharger systems and components that deliver strong, instant torque and scalable horsepower on street and track builds. With complete kits for popular platforms (including Ford Performance partnerships), Whipple is a go-to path to reliable boost when you want big gains with an engineered package.