Brian Crower Single Spring & Ti Retainer Kit

Fitment: Specific to Subaru FA20 and Toyota 4UGSE engines

Part #: BC0650

Overview

The Brian Crower Single Spring & Titanium Retainer Kit is a high-performance upgrade tailored for enthusiasts looking to unlock the full potential of their Subaru FA20 and Toyota 4UGSE engines. Designed for high rpm operation, this kit improves valve spring stability and durability, supporting more aggressive cam profiles and increased lift without sacrificing reliability. It is ideal for those aiming to enhance engine responsiveness, efficiency, and overall performance in their Subaru WRX, Subaru Forester, or Toyota 4UGSE-powered vehicles. This kit is engineered to provide a reliable solution for high-performance applications, ensuring consistent valve control during spirited driving or track use. By upgrading to titanium retainers and single valve springs, users can achieve better valve control, reduced weight, and improved engine response, making it a valuable addition for performance-oriented builds.

Key Features

This kit features advanced materials and a precision design to support high-performance engine operation:

• High-quality titanium retainers for reduced weight and increased durability
• Single valve springs designed for high rpm stability and responsiveness
• Engineered for compatibility with Subaru FA20 and Toyota 4UGSE engines
• Supports aggressive camshaft profiles and increased lift
• Manufactured with precision machining for optimal fit and function
• Helps improve valve control and engine response at high RPMs
• Durable construction to withstand high-stress engine conditions

Construction & Design

The kit incorporates lightweight titanium retainers combined with high-strength single valve springs, crafted for maximum durability and performance. The design ensures precise fitment and reliable operation under high-stress conditions, supporting high rpm engine tuning and aggressive camshaft profiles.

Driving Feel & Feedback

This upgrade enhances valve control and engine responsiveness, contributing to a more engaged driving experience. The improved spring stability helps maintain consistent valve timing, resulting in smoother acceleration and more precise throttle response during spirited driving or track sessions.

Installation & Fitment

Installation requires removal of existing valve springs and retainers, with proper handling to ensure correct fitment. Compatibility should be verified against vehicle specifications and part number BC0650 to ensure optimal performance.

What’s Included

The package includes a complete set of titanium retainers and single valve springs designed specifically for Subaru FA20 and Toyota 4UGSE engines, providing all necessary components for a comprehensive upgrade.