Brian Crower Titanium Retainers for Subaru EJ205-WRX/EJ257-STi Set of 16

Brian Crower Titanium Valve Retainers — Subaru EJ205 / EJ257 (Set of 16) Upgrade durability and performance with this set of 16 Brian Crower titanium valve retainers, engineered specifically for Subaru EJ205 (WRX) and EJ257 (STi) engines. Precision-machined from high-strength titanium, these retainers reduce reciprocating mass for quicker valve response and improved high-RPM reliability. Fitment: Subaru EJ205 (WRX) & EJ257 (STi) Quantity: Set of 16 retainers (complete for one cylinder head) Material: Aircraft-grade titanium for superior strength-to-weight ratio Benefit: Improved valve control, reduced valve float, and increased RPM capability Application: Ideal for high-performance builds, turbocharged engines, and track use Brian Crower is renowned for motorsport-quality valvetrain components. These retainers are a direct upgrade to OEM parts, offering consistent performance under elevated spring pressures and extreme operating conditions. Why choose titanium retainers? Lighter than steel, titanium retainers lower rotating mass and improve throttle response while resisting wear and heat. Install with compatible locks and springs for best results.