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Pro Design - Replacement O-ring Set for Cool Head Shell

Your Fitment

Product Information

  • Billet-machined design offers noticeable bolt-on performance gains
  • Increased torque and power as a result of increasing compression
  • Larger water jacket area supplies more water; you get the ultimate in cooling efficiency by eliminating overheating
  • Cool Head shells and Cool Domes sold separately to give you a choice of compression ratios
  • Features include O-ring seal (no gaskets required) and adjustable and removable compression domes