Ferrea E11082-1 Pro CNC Titanium Valve Spring Retainer 6 Degree

The Ferrea E11082-1 is a precision-engineered Pro-Series titanium valve spring retainer designed for high-performance engine builds. This single retainer is part of Ferrea's professional-grade valvetrain components, specifically engineered for Nissan RB25DET applications with double valve springs and 6-degree valve angles.

Key Features:

• Precision CNC-machined from aerospace-quality titanium alloy for superior strength and durability
• Fully heat-treated and finished to exact tolerances for consistent performance
• Offers 40% weight reduction compared to conventional steel retainers, reducing valvetrain mass
• 6-degree angle design optimized for double spring applications
• 25.4mm outer diameter with 16.51mm inner step diameter for 6mm valve stems
• Compatible with Ferrea Racing Springs #S10112 and Ferrea Valve Lock #K10116

Ferrea Racing Components has been manufacturing professional-grade valvetrain components for nearly 50 years, trusted by engine builders and racing professionals worldwide. Each Pro-Series retainer undergoes rigorous quality control to ensure it meets the demanding standards required for high-RPM racing applications. Sold individually for custom builds or replacement purposes.