Progress Technology 77.1000.4535 Coilover Spring and Shock Assembly

The Progress Technology Coilovers Series II (CS2) provides an economical alternative for enthusiasts seeking adjustable suspension performance without the premium price tag. This complete coilover assembly combines a twin-tube shock with a 2.50-inch inner diameter race spring, delivering improved handling and adjustable ride height at an entry-level price point.

Key Features:

• Twin-tube damper design for balanced performance and comfort
• Sealed dampers with preset valving optimized for street and track use
• 2.50-inch inner diameter race springs for consistent performance
• Adjustable ride height to dial in your desired stance and handling characteristics
• Non-rebuildable design keeps initial cost low while maintaining quality performance

The Progress CS2 Coilovers are ideal for entry-level racers, autocross competitors, and street enthusiasts who want the performance benefits and adjustability of a coilover system at approximately half the cost of premium alternatives. This assembly delivers noticeable handling improvements while allowing you to customize your vehicle's ride height for both appearance and performance.