PowerStroke Front Shock Spring Tuning Set (6) by Pro-Line

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This is the Pro-Line PowerStroke Shock Spring Tuning Set and is intended for use with the Pro-Line PowerStroke shocks. Take your PowerStroke shocks to the next level with Pro-Line's Spring Set. Now you can adjust ride height and spring rates almost infinitely with these color coded dual-rate springs. Kits include six primary (short) and six secondary (long) high quality springs with color coded stripes to reference rates.


  • Six Primary Springs (black/short)
  • Six Secondary Springs (silver/long)
  • Color coded stripes to identify rates
  • Spring rate chart available showing all possible combination's and effective primary/secondary rates.

What’s included:

  • Primary Springs:
    • Super Soft 3.7 lb in (2)
    • Medium 7.3 lb in (2)
    • Firm 9.5 lb in (2)
  • Secondary Springs:
    • Super Soft 3.5 lb in (2)
    • Soft 4.8 lb in (2)
    • Firm 8.1 lb in (2)
Effects of Shock Spring Changes
 Shock Spring  Characteristic
  • Increased Chassis Roll
  • Increased Traction
  • Better in Bumpy Conditions
  • More Likely to Bottom Out
  • Decreased Chassis Roll
  • Decreased Traction
  • Increased Responsiveness

This product was added to our catalog on May 21, 2010.