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Twin Power - Twin PowerValve Springs

Your Fitment

Product Information

  • 48-65 Panhead; 66-81 Shovelhead
  • Chrome vanadium steel
  • Square ground ends meet or exceed OEM specifications
  • Heat-treated and shot-peened to prevent tension loss and provide maximum durability
  • Sold in sets of 4
  • H-D#18201-57A