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PROGRESS is proud to offer our specialized expertise in design engineering and manufacturing, to companies interested in developing new suspension products or redesigning existing components. PROGRESS draws upon over 30 years of combined experience in the design, manufacture, and tuning of performance suspension systems, including CART/Indy Cars, IMSA, SCCA, NASA, and SCORE competition vehicles. We are enthusiasts, and our products represent the result of our engineering and manufacturing expertise.

The PRORESS Group Inc. has supplied engineering services and/or suspension components to the following premier automotive companies or divisions:

  • American Honda Motor Corporation
  • American Suzuki Motor Corporation
  • Daimler/Chrysler
  • Mazda North American Operations
  • NISMO, and Nissan Motorsports
  • Roush Performance Products, and Roush Industries
  • Saturn Corporation


  • Honda Civic Si Bonneville car, five current SCTA top speed records
  • SCCA ProSolo STX Championship '04-'05
  • Numerous SCCA Honda Cup & NASA Honda Challenge winners
  • Boyd Coddington "Crazy Horse II" 2005 Mustang GT
  • Super Street Time Attack FF/LTD Prep Champion '04-'05
  • Mid-Ohio Driver's School RSX & TSX chassis tuning components
  • Skip Barber School '05 Dodge SRT-4 suspension components
  • '06 Honda Civic Si for SEMA '05 (Honda booth)
  • '05 Scion tC Toyota Atlantic Championship Pace Cars
  • '05 Acura RSX Challenge (Honda Tuning & Import Racer)


  • In-house computer programs for vehicle dynamics and spring design
  • Shock Dynamometer with PC interface for documenting damping curves
  • Spring load test and fatigue life test cells
  • Clean room for shock assembly and testing
  • Machine shop for prototyping and tooling
  • Production anti-roll bar manufacturing
  • Production MIG welding
  • R&D shop with wheel alignment and electronic chassis scales
  • Race vehicle set-up and maintenance area
  • Bar coded labeling and custom packaging available