The Pro Series Ferrea Aluminium Magnesium Retainers are precision CNC machined from aerospace quality alloys, fully heat treated and finished to exact tolerances. These retainers are engineered for optimum strength and weight savings, which is crucial to valve train stability at high rpm

Retainers: "6 Deg"
Valve Stem Size: 6.0 mm
Diameter (A): 25.4 mm
Inn Step Diameter (C): 15.70 mm
References: Double Spring-6 deg Pro CNC Retainer. Ferrea Racing Spring # FVS10045

Product Reviews for FVE11037 - FERREA