Ferrea E20053-1 Triple Spring Pro CNC 10-Degree Tool Steel Valve Spring Retainer

The Ferrea E20053-1 is a Triple Spring Pro CNC 10-Degree Tool Steel Valve Spring Retainer, sold individually. Designed for high-performance and racing engine builds, this retainer is precision CNC machined from tool steel to exacting tolerances, ensuring a secure and consistent valve spring seat under the most demanding conditions.

Ferrea's Pro retainers feature a 10-degree valve lock angle, which is the standard for a wide range of performance and race applications. The tool steel construction delivers excellent strength and durability, making this retainer suitable for high spring pressure environments including triple spring valvetrain setups.

Key Features:

• Precision CNC machined for tight tolerances and consistent performance
• Tool steel construction for high strength and durability
• 10-degree valve lock (keeper) angle
• Designed for use with triple valve spring configurations
• Sold individually (single retainer)
• Universal fitment — verify compatibility with your specific spring and valve combination

Ferrea has been manufacturing performance engine valves and valvetrain components for nearly 50 years, with technology developed through programs in Formula 1, IndyCar, NASCAR, and drag racing. The E20053-1 is part of Ferrea's comprehensive valvetrain component lineup, engineered to complement their racing valve and spring offerings.