ST Suspensions Sport Springs (Lowering)

2005–2010 Chrysler 300 / 2006–2010 Dodge Charger / 2005–2008 Dodge Magnum 2.7L & 3.5L V6

Part #: 65503

Overview

The ST Suspensions Sport Springs Lowering Kit is a precision-engineered suspension upgrade designed specifically for Chrysler 300, Dodge Charger, and Dodge Magnum models from 2005 to 2010, depending on the vehicle. These springs provide a refined lowering of approximately 1.4 inches (35mm) on both front and rear axles, delivering a sportier stance and improved handling without sacrificing ride comfort. Ideal for enthusiasts seeking enhanced driving dynamics and a more aggressive appearance, this kit works seamlessly with your vehicle’s factory shock absorbers to maintain optimal suspension performance and daily drivability.

Whether your goal is to reduce body roll, lower the center of gravity, or simply upgrade your vehicle’s aesthetics, the ST Sport Springs offer a balanced solution that respects the original suspension geometry and electronic damper compatibility where applicable.

Key Features

ST Suspensions has developed these lowering springs with a focus on durability, performance, and fitment precision. Key features include:

• Vehicle-specific spring rates engineered to complement factory shock absorbers for safe, improved handling
• Approximately 1.4 inches (35mm) lowering on front and rear for a subtle yet aggressive stance
• Constructed from high-strength chrome silicon steel for exceptional durability and longevity
• Cold-wound and multi-tempered manufacturing process to prevent sagging and maintain spring integrity
• Final epoxy coating for superior corrosion resistance and protection against harsh weather conditions
• Reduces body roll and enhances steering response for sharper, more confident driving dynamics
• Compatible with original electronic dampers where applicable, ensuring full suspension functionality
• Extensive engineering expertise with over 1,000 vehicle applications available

Construction & Design

The ST Sport Springs are crafted from premium chrome silicon steel, a material renowned for its strength and resilience under demanding conditions. The springs undergo a cold winding process that enhances their structural integrity, followed by multiple tempering cycles to ensure consistent performance and resistance to fatigue over time. This meticulous manufacturing approach prevents sagging and preserves the lowered stance of your vehicle for the long term.

A final epoxy coating seals the springs, providing excellent protection against rust and environmental damage. This ensures that the springs maintain their performance characteristics and aesthetic appeal even after extended use in varying climates.

Installation & Fitment

Installation of the ST Sport Lowering Spring Kit is straightforward and designed to fit directly onto your vehicle’s original suspension components without requiring any modifications. These springs are engineered to work in harmony with your factory shock absorbers, preserving ride comfort and suspension functionality. For best results and to ensure proper alignment, professional installation is recommended.

This kit fits the following vehicles:

• 2005–2010 Chrysler 300 2.7L and 3.5L V6
• 2006–2010 Dodge Charger 2.7L and 3.5L V6 RWD
• 2005–2008 Dodge Magnum 2.7L and 3.5L V6

What's Included

• Set of ST Sport Lowering Springs (front and rear)
• Installation instructions

Ideal For

This lowering spring kit is perfect for drivers who want to enhance their Chrysler 300, Dodge Charger, or Dodge Magnum with a reliable, OEM-quality suspension upgrade. It is ideal for enthusiasts seeking to lower their vehicle’s center of gravity, reduce body roll, and sharpen steering response while maintaining daily drivability and ride comfort. Whether for spirited driving or improved street performance, the ST Sport Springs deliver a balanced combination of style and handling improvements tailored to your vehicle’s original suspension setup.

ST Suspensions offers suspension components designed for improved stance and control. Built for enthusiasts who care about feedback and control, their components target ride, handling, and adjustability for everything from daily drivers to dedicated track builds. If you want a more planted feel, cleaner alignment behavior, and confidence in corners, ST Suspensions is a strong choice.