Ferrea Exhaust Titanium Retainer - BMW N54 | E11130-1

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): 20.32 mm
- In Step Diameter (C): 15.74 mm


References: EXHAUST Single Spring-7 Degree Pro CNC Ferrea Racing Springs #S10158. Use Factory OEM Valve Locks

Replaces OEM Part #  11-34-7-614-134 / 11 34 7 614 134 / 11347614134

⚠️CALIFORNIA WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

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