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About Feuling Endurance Beehive Valve Springs

Feuling Endurance Beehive Valve Springs

  • Machined from premium-grade hi-tensile chrome silicon single conical ovate wire
  • Shot-peened with specially processed thermal heat treat and super NexTex finish for fatigue life needed to exceed high demands of V-Twin engines
  • Use a much smaller and lighter weight retainer to reduce valve weight and create quicker rev and smoother motion
  • Direct bolt-in replacement up to 650in. cam lift; no machining or rocker box clearancing required.
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