Progress Technology 77.1000.3545 Coilover Spring and Shock Assembly

The Progress Technology Coil-Overs Series II (CS2) provides an economical solution for enthusiasts seeking adjustable suspension performance without the premium price tag. This coilover assembly delivers the stance and handling characteristics that made the original Progress Coilovers popular, making it an ideal choice for entry-level racers and street enthusiasts alike.

Key Features:

• Twin tube damper design for reliable performance and comfort
• Sealed dampers provide consistent operation (non-rebuildable)
• 2.50-inch inner diameter race springs for precise suspension tuning
• Height adjustable design allows custom ride height settings
• Budget-friendly alternative to premium coilover systems

The CS2 series combines proven twin-tube shock technology with quality race springs to deliver improved handling and a lowered stance. The adjustable spring perches allow you to dial in your desired ride height while maintaining proper suspension geometry. As featured on ESPN's show PINKS, these coilovers have proven themselves in competitive environments while remaining accessible for street applications.