XClutch 15-21 Subaru WRX STi Base 2.5L Stage 1 Sprung Organic Clutch Kit

XClutch performance upgrades have been engineered to provide the ultimate in clutch performance. Utilising the latest pressure plate design and friction material composition, XClutch upgrades offer the ideal balance between driveability and performance for different vehicle applications. The pivot point and diaphragm design are carefully analysed to ensure positive pedal feel and increased clamping force. With one of the world's most advanced clutch testing and R&D facilities, in-house vehicle testing and over 30 years of clutch experience, XClutch performance upgrades offer the highest levels of engineering and product development for your street vehicle, 4x4 or dedicated race car. Primarily designed for road-going vehicles, XClutch Stage 1 clutch kits deliver substantial increases in performance and torque holding capabilities whilst retaining ease of driveability. XClutch sprung organic kits offer excellent dampening and the highest levels of driveability in the range. They are ideal for performance street use.

• Friction Disc, Pressure Plate, Release Bearing - Pilot, Aligning Tool and Technical Service Bulletins (as required)
• Single Disc, Sprung Organic
• Recommended for Street Use
• Heavy Duty, Diaphragm Type

Upgrade the clutch performance of your 2015-2021 Subaru WRX STI with the XClutch XKSU24001-1A Stage 1 Sprung Organic Clutch Kit. Engineered for performance street vehicles, this kit increases torque-holding capability while maintaining smooth engagement and comfortable daily drivability. XClutch combines advanced pressure plate design, optimized friction materials, and carefully developed diaphragm geometry to provide consistent clamping force and a positive pedal feel.
The sprung organic friction disc delivers excellent damping characteristics, helping reduce drivetrain harshness during normal driving. This makes the XClutch Stage 1 kit a practical choice for enthusiasts seeking dependable performance without sacrificing refinement. Its heavy-duty diaphragm-style pressure plate is designed to support spirited street use and improved clutch control across a wide range of driving conditions.
Each XClutch XKSU24001-1A kit is developed using extensive clutch testing, in-house vehicle evaluation, and more than 30 years of clutch engineering experience. The kit is intended for Subaru WRX STI applications equipped with the 2.5-liter engine and is recommended for road-going vehicles. Verify vehicle specifications and application details before installation to ensure compatibility.
The kit includes the primary components needed for installation, including the friction disc, pressure plate, release bearing, pilot bearing, aligning tool, and applicable technical service bulletins. XClutch provides a performance-focused clutch solution for drivers who want increased holding capacity, dependable operation, and approachable pedal behavior in a street-oriented package.

Features:

• Application: Fits 2015-2021 Subaru WRX STI models with the 2.5-liter engine

• Stage: Stage 1 performance upgrade for street-driven vehicles

• Friction Disc: Sprung organic disc for excellent damping and smooth engagement

• Pressure Plate: Heavy-duty diaphragm-style pressure plate with increased clamping force

• Kit Contents: Includes friction disc, pressure plate, release bearing, pilot bearing, aligning tool, and applicable technical service bulletins

• Recommended Use: Performance street applications

• Driveability: Designed to increase torque capacity while retaining comfortable pedal operation

Fitment:
Subaru Impreza WRX STI 2004
Subaru Impreza WRX STI 2005
Subaru Impreza WRX STI 2006
Subaru Impreza WRX STI 2007
Subaru Impreza WRX STI 2008
Subaru Impreza WRX STI 2009
Subaru Impreza WRX STI 2010
Subaru Impreza WRX STI 2011
Subaru Impreza WRX STI 2012
Subaru Impreza WRX STI 2013
Subaru Impreza WRX STI 2014
Subaru Impreza WRX STI Limited 2007
Subaru Impreza WRX STI Limited 2011
Subaru Impreza WRX STI Limited 2012
Subaru Impreza WRX STI Limited 2013
Subaru Impreza WRX STI Limited 2014
Subaru Impreza WRX STI Special Edition 2010
Subaru Legacy GT spec.B 2007
Subaru Legacy GT spec.B 2008
Subaru Legacy GT spec.B 2009
Subaru WRX STI Base 2015
Subaru WRX STI Base 2016
Subaru WRX STI Base 2017
Subaru WRX STI Base 2018
Subaru WRX STI Base 2019
Subaru WRX STI Base 2020
Subaru WRX STI Base 2021
Subaru WRX STI Launch Edition 2015
Subaru WRX STI Limited 2015
Subaru WRX STI Limited 2016
Subaru WRX STI Limited 2017
Subaru WRX STI Limited 2018
Subaru WRX STI Limited 2019
Subaru WRX STI Limited 2020
Subaru WRX STI Limited 2021
Subaru WRX STI S209 2019
Subaru WRX STI Series.HyperBlue 2016
Subaru WRX STI Type RA 2018