Ferrea E11137-1 Titanium Valve Spring Retainer Super 7 Degree Pro CNC

The Ferrea E11137-1 is a precision-engineered titanium valve spring retainer designed for high-performance and racing applications. This Pro CNC Series retainer is machined from aerospace-grade titanium alloy and features a Super 7 degree valve lock angle for optimal valve train stability.

Key Features:

• CNC-machined from aerospace-quality titanium for maximum strength and durability
• Super 7 degree valve lock angle design for secure keeper retention
• Fully heat-treated and finished to exact tolerances
• Offers 40% weight reduction over conventional steel retainers
• Reduces valve train mass for improved high-RPM performance
• Compatible with single spring applications

Ferrea titanium retainers are trusted by professional engine builders and racing teams worldwide. The reduced reciprocating mass allows for higher engine speeds while maintaining valve train control, making this retainer ideal for naturally aspirated, turbocharged, and supercharged builds. Each retainer is manufactured to strict quality control standards to ensure consistent performance and reliability in demanding racing conditions.