Ferrea Intake Titanium Retainer Kit - VW/Audi / 4.2T 40V | E11031-X24

Actual part may differ from image above.


This Kit Includes 24 Ferrea Intake Titanium Retainers.


Ferrea is pleased to offer our Pro-Series Titanium Retainers including sizes that fit both traditional Domestic springs and Sport Compact springs. Precision CNC-machined 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. Examine the overall quality of Ferrea’s Pro-Series Retainers and see why professional engine builders demand Ferrea Racing Components.


- Valve Stem Size: 6 mm
- Diameter (A): 21 mm
- In Step Diameter (C): 15.15 mm


References: Intake (12 pieces) Single Spring-7 Degree Pro CNC Ferrea Racing Spring # S10055 & SL1025 Intake Spring Seat Locator

Replaces OEM Part #  058-109-641 / 058 109 641 / 058109641

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