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Coil Over Systems | Performance | Progress Technology

Progress Tech Competition Series Coil Over Systems offer unmatched performance at a competitive and value-driven price. Our Progress Coil Over systems are the result of decades of development experience and miles of testing and race track use. Experience the refinement that Progress brings to the market with these advanced suspension systems.


These suspension systems have been developed for sport-tuned daily driving, plus weekend fun at the autocross or track day events. Enthusiasts will appreciate razor-sharp steering and awesome steady-state grip and great tracking for effortless highway miles. Progress Coil Over Systems include twin-tube dampers, cellular foam bump stops, and application-specific cold-wound spring designs. The springs are isolated from the chassis using molded components for a quiet and noise-free installation, and all necessary components are included.

  • Lowering height 1" to 2.5"
  • Multiple spring rate options ·         
  • Twin-tube design with deflective-disc piston
  • Unique CNC locking spring perches
  • High Tensile cold-wound springs
  • Includes two spanners & hardware
  • Requires OEM steel top hats for installation