KW Variant 4 Coilover Kit

2015–2023 Dodge Challenger / Dodge Charger 6.2L Hellcat

Part #: 3A728003

Overview

The KW Variant 4 Coilover Kit is a high-performance suspension upgrade engineered exclusively for the Dodge Challenger and Dodge Charger Hellcat models from 2015 through 2023. Combining motorsport-proven technology with decades of suspension tuning expertise, this coilover kit delivers exceptional handling precision and ride quality. It offers independent adjustability of ride height and damping characteristics, allowing drivers to tailor their suspension setup for both daily comfort and aggressive track performance.

Designed for enthusiasts who demand superior chassis control and cornering stability, the Variant 4 enhances driving dynamics by providing a perfect balance between comfort and performance. Whether navigating city streets or pushing the limits on the track, this coilover kit elevates the driving experience with race-inspired technology and robust construction.

Key Features

The KW Variant 4 Coilover Kit incorporates advanced suspension technology to optimize performance and versatility for high-powered muscle cars:

• Individually adjustable ride height with front lowering range of 0.2 to 1.0 inches and rear lowering range of 0.4 to 1.2 inches
• 3-way adjustable dampers featuring patented TVR-A technology for precise rebound damping control
• Independent low-speed and high-speed compression damping adjustments using TVCLH-A technology for tailored suspension response
• Pre-installed vehicle-specific comfort setting optimized for daily driving without sacrificing performance
• Rebound damping adjustable in 16 clicks for fine-tuning handling and ride comfort
• Low-speed compression adjustable in 6 clicks to manage body motions and improve ride quality
• High-speed compression adjustable in 14 clicks to absorb harsh impacts and enhance stability
• Progressive rear spring rates combined with 10.18 Kg/mm (570 lbs/in) front springs for balanced handling
• Includes electronic damping control deactivation kit for seamless integration with factory vehicle systems
• Developed specifically for high-performance muscle cars and sports sedans

Construction & Design

The KW Variant 4 coilovers are precision-engineered using premium materials tailored to the suspension architecture of the Dodge Challenger and Charger Hellcat. Front coilovers are designed for McPherson strut setups, while rear coilovers accommodate multi-link axle configurations. Components are crafted from durable forged aluminum and stainless steel to ensure long-lasting strength and corrosion resistance.

Drawing from motorsport technology and multiple overall wins at the ADAC Zurich 24h Nürburgring race, the Variant 4 features advanced damping systems and robust construction that deliver superior chassis control, enhanced handling response, and increased driver confidence under demanding conditions.

Installation & Fitment

This coilover kit is a direct fit for 2015–2023 Dodge Challenger and Dodge Charger 6.2L Hellcat models. Installation requires deactivation of the vehicle’s electronic damping control system, and the kit includes the necessary hardware to accomplish this seamlessly. Professional installation is recommended to ensure proper setup, including accurate ride height adjustment and damping calibration.

Once installed, drivers can easily adjust suspension settings via accessible adjustment knobs, enabling quick transitions between comfort-oriented street driving and aggressive track handling.

What's Included

• KW Variant 4 Coilover Kit (front and rear coilovers)
• Vehicle-specific comfort setting pre-installed
• Electronic damping control deactivation kit
• Adjustment tools for rebound, low-speed, and high-speed compression damping
• Installation hardware and detailed instructions

Ideal For

The KW Variant 4 Coilover Kit is ideal for Dodge Challenger and Charger Hellcat owners seeking a suspension upgrade that delivers race-inspired precision and customizable performance. Whether you are a spirited street driver, weekend track enthusiast, or professional tuner, this coilover system offers the flexibility to optimize your vehicle’s handling dynamics without compromising ride comfort. It is especially suited for those upgrading from factory suspension components who want improved cornering stability, enhanced ride quality, and superior chassis control across a variety of road conditions.