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For all 911 and 930

  • Significant reduction in valve train mass reduces chance of valve float
  • Ultra light weight for high RPM operation
  • Made with aerospace quality 6AL4V alloy Titanium
  • Precision machined for optimum load distribution and incredible strength
  • For 9mm valve stem and spring part #901 105 901 50 HP.  Can be machined to fit other various dual springs as well
  • Complete Set of 12 

RSR Titanium Valve Spring Retainers

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