UniClutch Twin Disc Clutch System for Subaru WRX STI 2.5 Turbo EJ257 (2005-2022 6-Speed)

The UniClutch Twin Disc Clutch System is engineered for Subaru WRX STI models equipped with the EJ257 2.5 Turbo engine from 2005 to 2022. Designed for enthusiasts seeking reliable performance on both street and track, this system delivers precise control and superior torque handling without sacrificing daily drivability.

Key Features

• Twin Disc Cerametallic Core: Ideal for high-powered or high-load applications, providing seamless transition between street and track use.
• Integrated Flywheel Friction Surface: Eliminates the need for flywheel machining, saving time and cost during installation.
• Track Pedal Tune: Optimized for precise pedal control and reduced fatigue during extended track sessions.
• Billet Steel Components: Up to three times stronger than standard construction for enhanced durability.
• Silent Shift Technology: Improves shift quality and speed, significantly reducing clutch chatter.
• High Clamp Billet Cover Assembly: Provides superior disengagement and eliminates cover flex and dragging.
• Quad Drive Forged Internals: Built for exceptional strength to meet the demands of track use.
• Proprietary Noise Reduction Engineering: Minimizes the typical sound associated with performance twin plate clutches.
• Peak Torque Capacity: Ceramic components support up to 1320 Nm of torque.
• Modular Design: Simplifies engine or transmission replacement compared to standard clutch assemblies.
• Stock Pedal Response: Maintains factory-like pedal feel (application dependent).

Fitment Kit: UCFK08293-A-002

• Multi-Fit System: Compatible with a wide range of vehicles.
• High Strength Steel Flywheel Mount: Suits 195mm UniClutch.
• Flywheel Mount Hardware: Includes 12.9 grade pre-Loctite bolts; supports up to 6 transmission spline types (26.2x23T, 25.4x24T, 25.2x24T, 29.0x10T).
• Patented Height Adjustment System: For precise fitment.

Fitment Note: For 6-speed STI pull-type actuation.

Vehicle Applications

• Subaru WRX STI 2.5 Turbo EJ257 (2005-2022, 6-speed manual)
• Chassis codes: GD, GR, GP, GH, G3, GE, GV, GJ, VA
• Engine code: EJ257

Performance Benefits

• Exceptional torque handling for both stock and modified EJ257 engines.
• Smooth engagement and progressive pedal feel suitable for daily driving, spirited driving, and track days.
• Faster installation and reduced service time compared to conventional clutch setups.

Upgrade your Subaru WRX STI’s drivetrain with the UniClutch Twin Disc Clutch System—engineered for enthusiasts who demand performance, reliability, and drivability.