UMI Performance SS203050 Coil Spring Lowering Kit 1 Inch Drop with Monotube Shocks

The UMI Performance SS203050 coil spring and shock kit delivers a precise 1-inch drop while dramatically improving handling and control for street cruising, Pro-Touring, corner carving, and light drag racing applications. This complete suspension upgrade provides the perfect balance between performance and comfort for muscle car enthusiasts.

Premium Spring Construction:

• 530 lb/in front spring rates and 130 lb/in rear linear rates optimized for performance
• Premium CrSi (chrome silicon) wire sourced in the USA for superior durability
• Race-quality lowering springs engineered for aggressive driving
• Note: Vehicles with full-weight big block engines may experience an additional 1/4-inch front end drop

High-Performance Monotube Shocks:

• Nitrogen-charged monotube design for exceptional control and heat dissipation
• Medium-firm compression valving tuned for comfortable yet performance-oriented driving
• Ramped rebound valving curve properly matched to UMI spring rates
• Race-proven construction ensures long-term durability under demanding conditions
• Advanced rebound control reduces body roll during cornering

Complete Kit Includes:

• Front and rear coil springs with performance-tuned rates
• Matched monotube shock absorbers
• All components made in the USA

This handling kit transforms your vehicle's suspension dynamics with components engineered to work together seamlessly. The carefully matched spring rates and shock valving deliver responsive handling without sacrificing street manners, making it ideal for drivers who demand both performance and daily drivability.