UMI Performance SS103050 Coil Spring Lowering Kit with Monotube Shocks 1 Inch Drop

The UMI Performance SS103050 spring and shock kit is designed to lower your vehicle 1 inch while delivering a significant improvement in handling and control. This complete performance suspension package combines race-quality lowering springs with precision-valved monotube shocks for an ideal balance of street comfort and high-performance driving.

Premium Lowering Springs:

• Premium CrSi (Chrome Silicon) US-sourced wire construction for exceptional durability
• 530 lb/in front spring rate and 130 lb/in linear rear rate engineered for optimal performance
• Designed for street cruising, Pro-Touring, corner carving, and light drag use
• Provides a high-performance foundation with consistent, predictable behavior

High-Performance Monotube Shocks:

• Nitrogen-charged monotube design delivers superior control and heat dissipation
• Medium-firm compression valving offers comfortable yet performance-oriented damping
• Ramped rebound valving properly controls spring movement and body roll during cornering
• Race-proven construction ensures long-lasting durability under demanding conditions

Complete Kit Features:

• Engineered and manufactured in the USA
• Matched spring and shock combination for optimized suspension performance
• Direct bolt-in installation with no modifications required
• Ideal for street performance, autocross, and Pro-Touring applications

Important Note: Vehicles equipped with full-weight big block engines may experience an additional 1/4 inch front end drop beyond the standard 1 inch lowering.