KW H.A.S. Coilover Kit

Jeep Grand Cherokee 12-21 6.4L

Part #: 25329005

Overview

The KW H.A.S. (Height Adjustable Spring) Coilover Kit is a premium suspension upgrade designed specifically for the 2012–2021 Jeep Grand Cherokee SRT8 and SRT 392 models. This innovative system offers a versatile alternative to traditional lowering springs by allowing continuous ride height adjustment even after installation. Ideal for enthusiasts seeking enhanced vehicle stance, improved handling, and preserved factory suspension functionality, the KW H.A.S. kit delivers a perfect balance between sporty aesthetics and everyday drivability.

Unlike fixed lowering springs, the KW H.A.S. system enables you to fine-tune your Jeep’s ride height to suit your driving preferences or road conditions without compromising comfort or safety. This kit maintains full compatibility with all factory driver assistance and adaptive suspension systems, ensuring seamless integration and reliable performance.

Key Features

The KW H.A.S. Coilover Kit combines advanced engineering with high-quality materials to provide a superior suspension solution. Key features include:

• Height adjustable springs allowing continuous ride height tuning within a tested range
• Vehicle-specific spring rates optimized for the Jeep Grand Cherokee SRT8 and SRT 392’s factory adaptive dampers
• High-quality chrome-silicon steel springs engineered for durability and consistent performance
• Preservation of all factory driver assistance and electronic suspension functions
• Integrated bump stops with dust protection to safeguard factory suspension components from wear and debris
• Spring perches and dust protection elements pre-set to the maximum technically possible lowering
• Comprehensive testing on the Nürburgring Nordschleife and KW’s 7-post Driving Dynamic Test Center
• Improved steering response and more agile handling characteristics

Construction & Design

The KW H.A.S. Coilover Kit is engineered with precision and durability in mind. The springs are crafted from premium chrome-silicon steel, a material known for its excellent strength-to-weight ratio and resistance to fatigue. Each spring is carefully calibrated with specific spring rates tailored to match the unique damping characteristics and wheel loads of the Jeep Grand Cherokee SRT8 and SRT 392’s factory adaptive suspension.

The kit includes robust height adjustment mechanisms that allow seamless ride height changes without the need to remove the springs or disassemble the suspension. Additionally, vehicle-specific bump stops and dust protection systems are incorporated to protect the factory dampers from road grime and debris, extending the lifespan of your suspension components.

Installation & Fitment

The KW H.A.S. Coilover Kit is designed for direct fitment on 2012 through 2021 Jeep Grand Cherokee SRT8 and SRT 392 models, requiring no modifications to the factory suspension. Installation can be performed by experienced enthusiasts or professional technicians and typically involves removing the factory springs and replacing them with the KW H.A.S. components. The adjustable height feature allows for fine-tuning after installation to achieve the desired stance and handling balance.

All factory adaptive and electronic suspension features remain fully operational, ensuring that your vehicle’s advanced driver assistance systems and comfort settings continue to function as intended.

What’s Included

• Height adjustable chrome-silicon steel springs (front and rear)
• KW height adjustment mechanisms
• Vehicle-specific bump stops with integrated dust protection
• Spring perches pre-set for maximum lowering
• Installation hardware and instructions

Ideal For

This KW H.A.S. Coilover Kit is ideal for Jeep Grand Cherokee SRT8 and SRT 392 owners who want to enhance their vehicle’s appearance and handling without sacrificing ride quality or factory suspension functionality. It suits enthusiasts who desire adjustable ride height flexibility for different driving scenarios, from spirited street driving to occasional track use, while maintaining compatibility with advanced electronic suspension systems.

KW suspensions is a premium suspension brand known for coilover systems and motorsport-proven technology across street and racing applications. Their setups are engineered to deliver a refined balance of performance and control, making KW a favorite for enthusiasts who want precise handling and high-quality adjustability.