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. 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.
Retainers "7 Deg"
Valve Stem Size: 5.5 mm
Diameter (A): 28.20 mm
Out Step Diameter (B): 22.85 mm
Inn Step Diameter (C): 17.15 mm
References: Double Spring-7deg Pro CNC Retainer. Ferrea Racing Spring # S10070 or #S10104