Brian Crower Spring & Retainer Kit for Subaru BRZ/Scion FR-S/Toyota GT86 4UGS...

Brian Crower Spring & Titanium Retainer Kit for Subaru BRZ / Scion FR-S / Toyota GT86 (4U-GSE) Upgrade valve control with this high-performance spring and retainer kit specifically engineered for the 4U-GSE engine found in Subaru BRZ, Scion FR-S and Toyota GT86. Brian Crower’s precision components deliver improved RPM capability, better valve stability and increased reliability under aggressive driving or track use. Application: Subaru BRZ / Scion FR-S / Toyota GT86 (4U-GSE) Contents: Single springs, titanium retainers and precision seats included for complete valve train refresh Materials: High-quality spring steel and lightweight titanium retainers reduce valvetrain mass for quicker response Benefits: Increased rev ceiling, reduced valve float, improved throttle response and durability for high RPM or modified engines Fitment & Installation: Direct-fit components designed to OEM dimensions; professional installation recommended Choose Brian Crower for race-proven design and reliable performance upgrades. Perfect for enthusiasts tuning their 4U-GSE for track days, spirited driving or forced-induction builds.