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About Xceldyne Valve Spring

Xceldyne Valve Spring

  • Purpose-built racing valve springs from the only dedicated racing spring manufacturer in the country
  • Made from the highest quality Kobe spring wire
  • Utilizes all of the same features and processes that we design into our entire racing spring line
  • Designed for use with most cam grinds
  • Single spring, low-drag design done right the first time. None of the crutched two-spring designs out there add to your valvetrain mass which in turn costs you horsepower.
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