Ferrea E11100-1 Titanium Valve Spring Retainer - 5.5mm

The Ferrea E11100-1 is a precision-engineered titanium valve spring retainer designed for high-performance applications. This Pro CNC Series retainer is machined from aerospace-quality titanium alloy and fully heat-treated to exact tolerances, providing exceptional strength while reducing weight by approximately 40% compared to conventional steel retainers.

Key Features:

• CNC-machined from aerospace-grade titanium alloy for superior strength-to-weight ratio
• Fully heat-treated and finished to exact tolerances for optimal performance
• Designed for double valve spring applications with 7-degree valve locks
• Compatible with 5.5mm valve stem diameter
• Outer diameter of 25.4mm with stepped design for proper spring retention
• Ideal for high-RPM racing engines and aggressive camshaft profiles

Ferrea Racing Components has been manufacturing premium valvetrain components for over 50 years, serving professional motorsports including Formula 1, IndyCar, NASCAR, and drag racing. These titanium retainers provide the reliability and performance needed to prevent valve float and component failure in demanding high-performance applications. Sold individually.