Ferrea Double Spring 6 Deg Pro CNC Titanium Retainer | 2003-2008 Nissan 350Z (E1107)

Ferrea Racing
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2003-2008 Nissan 350Z Titanium Retainer by Ferrea

Ferrea is pleased to offer the Pro-Series Titanium Retainers including sizes that fit both traditional Domestic springs and Sport Compact springs. Precision CNCmachined from aerospace quality titanium, these Pro Retainers are fully heat-treated and finished to exact tolerances, adding strength while offering a 40% weight reduction over conventional steel retainers. We have available applications for 6, 7, 8 (super 7) and 10 degrees. Examine the overall quality of Ferrea€™s Pro-Series Retainers and see why professional engine builders demand Ferrea Racing Components.

Please Note: Picture are for representation only. Actual product may vary.


  • Retainers 6 Degree
  • Valve Stem Size: 6 mm
  • Diameter (A): 25.4 mm
  • Inn Step Diameter (C): 15.75 mm
  • References: Double Spring-6 Degree Pro CNC Ferrea Racing Springs #S10103 and Ferrea Valve Lock # K10069


  • 40% weight reduction over conventional steel retainers


  • 2003-2008 Nissan 350Z

What's In The Box?

  • 1 - Retainer


  • No Warranty

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