ACT Release Bearing (RB601) | Subaru STI 2004-2021

The ACT Release Bearing (RB601) is engineered for 2004–2021 Subaru STI owners seeking reliable, smooth clutch engagement and improved actuation performance. Designed to work seamlessly with ACT clutch kits and compatible stock systems, this precision release bearing helps reduce friction and wear between the clutch fork and pressure plate, ensuring consistent operation and extended component life.

KEY FEATURES

• High‑quality release bearing designed for smooth clutch actuation and reduced friction
• Precision‑engineered to work with ACT clutch kits and compatible OEM clutch assemblies for Subaru STI applications
• Durable construction helps resist wear and heat for long service life
• Direct‑fit design simplifies installation and improves clutch engagement consistency
• Reduces vibration and noise often associated with worn or inferior release bearings

TECHNICAL SPECIFICATIONS

• Platform Compatibility: Subaru STI 2004–2021
• Component Type: Clutch release bearing (throw‑out bearing)
• Material: High‑strength steel and precision bearing components for optimal durability
• Function: Allows smooth rotation of the clutch release mechanism with minimal friction
• Installation: Direct‑fit replacement with OEM clutch linkage and release fork locations
• Performance Benefit: Consistent engagement feel, reduced wear on clutch components, and refined clutch actuation

VEHICLE FITMENT

• Subaru STI 2004–2021

ACT delivers proven, data‑driven performance solutions engineered to optimize your Subaru with unmatched precision and reliability.