Ferrea E12027-1 Pro Series Titanium Beehive Valve Spring Retainer

The Ferrea E12027-1 is a precision-engineered titanium valve spring retainer designed for Honda/Acura K-Series engines. Precision CNC-machined from aerospace quality titanium, these Pro Retainers are fully heat-treated and finished to exact tolerances, adding strength while offering a 40% weight reduction over conventional steel retainers.

Key Specifications:

• Valve Stem Size: 5.5mm
• Outer Diameter: 22.73mm
• Inner Step Diameter: 14.60mm
• Material: Aerospace-grade titanium alloy
• Design: Beehive spring configuration
• Weight Reduction: 40% lighter than steel retainers

Compatible Components:

• Works with Ferrea Beehive Spring #S2018
• Ferrea Valve Lock #K10034
• Seat Locator #SL1094 (discard OEM factory spring seat locator)

This retainer is engineered for high-performance street and racing applications on Honda K20 and K24 engines. The titanium construction reduces valvetrain mass, allowing for higher RPM operation while maintaining precise valve control. Each retainer is individually CNC-machined and heat-treated to ensure consistent quality and durability in demanding racing conditions.

Note: Price shown is per retainer. Most applications require 16 retainers per engine (one per valve).