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XClutch 15-21 Subaru WRX STi Base 2.5L 7.25in Twin Sprung Ceramic Clutch Kit

SKU: XCLXKSU18521-2B

Clutch Kits

XCL Clutch - 7.25in Twin Sprung Ceramic...

XClutch 15-21 Subaru WRX STi Base 2.5L 7.25in Twin Sprung Ceramic Clutch Kit

SKU: XCLXKSU18521-2B

Clutch Kits

XCL Clutch - 7.25in Twin Sprung Ceramic...

A$4,538.41
Limited Availability from MFR Limited stock available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical orders of this part. This item is not held in our own warehouse, and availability and release timing may vary depending on manufacturer stock movements and processing at the time of ordering.
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Description

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. Designed for circuit, time attack or gymkhana applications, the XClutch 7.25 inch Race Clutch offers quick shift times and a lightweight construction. The XClutch 7.25 inch Race Clutch is ideal for drivers wanting a strong, high performance race clutch without having to compromise on quality. The XClutch twin sprung disc 7.25 inch offers a sprung central hub which provides dampening for vehicles retaining standard transmissions in motorsport applications. This kit also includes everything required to convert the actuation to push type rather than the original pull type clutch found in the vehicle.

Part Type

Clutch Kits

Data: v4.2 - Upd: 2026-10-13 18:18:09

Features

  • Friction Disc, Pressure Plate, Release Bearing, Pull to Push Actuation Conversion Components, Flywheel - Pilot, Aligning Tool and Technical Service Bulletins (as required)
  • Lightweight Alloy Hat
  • Recommended for Track Use
  • Twin Disc, Sprung Ceramic

Specifications

Product Attributes - Brand
XCLUTCH
Product Attributes - Manufacturer's Part Number
XKSU18521-2B
Product Attributes - Part Type
Clutch Kits
Product Attributes - Product Line
XClutch Stage 2 Clutch Kits
Product Attributes - UPC
09337467279474
Product Attributes - Clutch Usage
Performance
Product Attributes - Clutch Disc Quantity
2
Product Attributes - Flywheel Included
Yes
Product Attributes - Input Spline Quantity
24
Product Attributes - Input Shaft Diameter
1.000 in.
Product Attributes - Disc Diameter (in.)
7.244 in.
Product Attributes - Disc Diameter (mm)
184mm
Product Attributes - Disc Material
Ceramic
Product Attributes - Hub Style
Sprung
Product Attributes - Pressure Plate Style
Diaphragm
Product Attributes - Throwout Bearing Included
Yes
Product Attributes - Alignment Tool Included
Yes
Product Attributes - Pilot Bushing Included
No
Product Attributes - Flywheel Material
Chromoly
Product Attributes - Counterweight Assist
No
Product Attributes - Mounting Hardware Included
Yes
Product Attributes - Quantity
Sold as a kit.

Reference Information

Brand Name/s Xclutch
StreetFX SKU xclXKSU18521-2B
SFX Item ID 4043580
Supplier Item Code 4043580
Manufacturer SKU XKSU18521-2B
Manufacturer UPC 9337467279474
Alternative References 7.25in, 2.5L

Compatibility

Application Data
  • MakeSUBARU
    ModelIMPREZA
    SubmodelWRX
    Beginning Year2004
    Ending Year2005
    Engine TypeH4
    Liter2.0
    CC1994
    Engine FamilySubaru 4-cylinder
    Engine Size2.0L/1994cc
  • MakeSUBARU
    ModelIMPREZA
    SubmodelWRX
    Beginning Year2004
    Ending Year2005
    Engine TypeH4
    Liter2.0
    CC1994
    Engine FamilySubaru 4-cylinder
    Engine Size2.0L/1994cc
  • MakeSUBARU
    ModelIMPREZA
    SubmodelWRX STI
    Beginning Year2004
    Ending Year2012
    Engine TypeH4
    Liter2.5
    CC2458
    Engine FamilySubaru 4-cylinder
    Engine Size2.5L/2458cc
  • MakeSUBARU
    ModelIMPREZA
    SubmodelWRX STI
    Beginning Year2004
    Ending Year2014
    Engine TypeH4
    Liter2.5
    CC2458
    Engine FamilySubaru 4-cylinder
    Engine Size2.5L/2458cc
  • MakeSUBARU
    ModelIMPREZA
    SubmodelWRX STI LIMITED
    Beginning Year2007
    Ending Year2007
    Engine TypeH4
    Liter2.5
    CC2458
    Engine FamilySubaru 4-cylinder
    Engine Size2.5L/2458cc
  • MakeSUBARU
    ModelIMPREZA
    SubmodelWRX STI LIMITED
    Beginning Year2007
    Ending Year2014
    Engine TypeH4
    Liter2.5
    CC2458
    Engine FamilySubaru 4-cylinder
    Engine Size2.5L/2458cc
  • MakeSUBARU
    ModelIMPREZA
    SubmodelWRX STI SPECIAL EDITION
    Beginning Year2010
    Ending Year2010
    Engine TypeH4
    Liter2.5
    CC2458
    Engine FamilySubaru 4-cylinder
    Engine Size2.5L/2458cc
  • MakeSUBARU
    ModelIMPREZA
    SubmodelWRX STI SPECIAL EDITION
    Beginning Year2010
    Ending Year2010
    Engine TypeH4
    Liter2.5
    CC2458
    Engine FamilySubaru 4-cylinder
    Engine Size2.5L/2458cc
  • MakeSUBARU
    ModelLEGACY
    SubmodelGT SPEC.B
    Beginning Year2007
    Ending Year2009
    Engine TypeH4
    Liter2.5
    CC2458
    Engine FamilySubaru 4-cylinder
    Engine Size2.5L/2458cc
  • MakeSUBARU
    ModelLEGACY
    SubmodelGT SPEC.B
    Beginning Year2007
    Ending Year2009
    Engine TypeH4
    Liter2.5
    CC2458
    Engine FamilySubaru 4-cylinder
    Engine Size2.5L/2458cc
  • MakeSUBARU
    ModelWRX STI
    SubmodelBASE
    Beginning Year2015
    Ending Year2021
    Engine TypeH4
    Liter2.5
    CC2458
    Engine FamilySubaru 4-cylinder
    Engine Size2.5L/2458cc
  • MakeSUBARU
    ModelWRX STI
    SubmodelBASE
    Beginning Year2015
    Ending Year2021
    Engine TypeH4
    Liter2.5
    CC2458
    Engine FamilySubaru 4-cylinder
    Engine Size2.5L/2458cc
  • MakeSUBARU
    ModelWRX STI
    SubmodelLAUNCH EDITION
    Beginning Year2015
    Ending Year2015
    Engine TypeH4
    Liter2.5
    CC2458
    Engine FamilySubaru 4-cylinder
    Engine Size2.5L/2458cc
  • MakeSUBARU
    ModelWRX STI
    SubmodelLAUNCH EDITION
    Beginning Year2015
    Ending Year2015
    Engine TypeH4
    Liter2.5
    CC2458
    Engine FamilySubaru 4-cylinder
    Engine Size2.5L/2458cc
  • MakeSUBARU
    ModelWRX STI
    SubmodelLIMITED
    Beginning Year2015
    Ending Year2021
    Engine TypeH4
    Liter2.5
    CC2458
    Engine FamilySubaru 4-cylinder
    Engine Size2.5L/2458cc
  • MakeSUBARU
    ModelWRX STI
    SubmodelS209
    Beginning Year2019
    Ending Year2019
    Engine TypeH4
    Liter2.5
    CC2458
    Engine FamilySubaru 4-cylinder
    Engine Size2.5L/2458cc
  • MakeSUBARU
    ModelWRX STI
    SubmodelSERIES.HYPERBLUE
    Beginning Year2016
    Ending Year2016
    Engine TypeH4
    Liter2.5
    CC2458
    Engine FamilySubaru 4-cylinder
    Engine Size2.5L/2458cc
  • MakeSUBARU
    ModelWRX STI
    SubmodelTYPE RA
    Beginning Year2018
    Ending Year2018
    Engine TypeH4
    Liter2.5
    CC2458
    Engine FamilySubaru 4-cylinder
    Engine Size2.5L/2458cc
  • MakeSUBARU
    ModelWRX STI
    SubmodelTYPE RA
    Beginning Year2018
    Ending Year2018
    Engine TypeH4
    Liter2.5
    CC2458
    Engine FamilySubaru 4-cylinder
    Engine Size2.5L/2458cc

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