Clutch Masters 850 Twin Disc Clutch Kits (15017-TD8S-XW)

Clutch Masters 15017-TD8S-XW 850 Twin Disc Clutch Kits - Clutch Masters 04-15 WRX STi 2.5L 6 spd T FX850 Twin Disc Street Clutch Kit (FW Sold Separately) for a 2004-2014 Subaru Impreza WRX STI, 2007-2014 Subaru Impreza WRX STI Limited, 2010-2010 Subaru Impreza WRX STI Special Edition, 2015-2015 Subaru WRX STI Launch Edition, 2015-2017 Subaru WRX STI Base, 2015-2017 Subaru WRX STI Limited and 2016-2016 Subaru WRX STI Series.HyperBlue.

Image(s) for display purposes only. Actual product may vary.

Manufacturer: Clutch Masters

Product: Clutch Masters 850 Twin Disc Clutch Kits

Part Number: 15017-TD8S-XW

UPC: 15017-TD8S-XW

MSRP: $2,062.50

$1,753.13

Free Shipping (Continental US)

New with manufacturer warranty

Availability: SHIPS FROM MANUFACTURER
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)

Have a question regarding this product? Contact us.

Fitment:

NOTES: Clutch Masters 04-15 WRX STi 2.5L 6 spd T FX850 Twin Disc Street Clutch Kit (FW Sold Separately)

Years	Make	Model	Trim
2004 - 2014	Subaru	Impreza	WRX STI
2007 - 2007	Subaru	Impreza	WRX STI Limited
2010 - 2010	Subaru	Impreza	WRX STI Special Edition
2011 - 2014	Subaru	Impreza	WRX STI Limited
2015 - 2015	Subaru	WRX STI	Launch Edition
2015 - 2017	Subaru	WRX STI	Base
2015 - 2017	Subaru	WRX STI	Limited
2016 - 2016	Subaru	WRX STI	Series.HyperBlue

Description:

850 SERIES – (8.50” Twin Disc)

The 850 series is a larger diameter assembly, which is designed for high horsepower applications. The 850 Series has a higher holding capacity, less clutch chatter, and a smoother engagement compared to the 725 Series. The 850 series Twin disc will accept one sprung disc creating a slightly smoother engagement compared to two rigid discs

Available Stages:

“Street and Race” (TD8S) – 1 sprung ceramic disc, and 1 fiber tuff rigid disc

“Race” (TD8R) – 1 sprung ceramic disc, and 1 ceramic rigid disc.

Clutch Masters offers custom option when required by utilizing a variety of friction surfaces, discs and pressure ratings to satisfy any need!

Clutch Masters Twin Disc features:

Components can be purchased separately for economical repair.
Positive release for ease of high RPM staging and shifting.
Most have experienced better 4/10's times and averaged hundreds of passes without complications or repair\

All systems include:

Aluminum Cover Assembly with attached Diaphragm
Pressure Plate Ring
Two Discs
One Mid Plate
Billet Aluminum Flywheel (Steel available on select applications, call for price)
Release Bearing (when applicable)
Pilot Bearing (when applicable)
Pressure Plate Bolts

Average weight of the entire assembly is over 50% lighter than OEM

Clutch Masters 04-15 WRX STi 2.5L 6 spd T FX850 Twin Disc Street Clutch Kit (FW Sold Separately)

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OUT OF STOCK

2016-2016 Subaru WRX STI Series.HyperBlue
2019-2019 Subaru WRX STI S209
2015-2021 Subaru WRX STI Limited
2015-2015 Subaru WRX STI Launch Edition
2015-2021 Subaru WRX STI Base
2010-2010 Subaru Impreza WRX STI Special Edition
2011-2014 Subaru Impreza WRX STI Limited
2007-2007 Subaru Impreza WRX STI Limited
2004-2014 Subaru Impreza WRX STI
2018-2018 Subaru WRX STI Type RA

Clutch Masters 850 Twin Disc Clutch Kits 15017-TD8R-XW

Clutch Masters 07-09 Subaru Legacy Outback (GT Spec B) 850 Series Twin Disc Clutch Kit (No Flywheel)

SHIPS FROM MANUFACTURER
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)

2015-2015 Subaru WRX STI Launch Edition
2015-2017 Subaru WRX STI Base
2010-2010 Subaru Impreza WRX STI Special Edition
2011-2014 Subaru Impreza WRX STI Limited
2007-2007 Subaru Impreza WRX STI Limited
2004-2014 Subaru Impreza WRX STI
2015-2017 Subaru WRX STI Limited
2016-2016 Subaru WRX STI Series.HyperBlue

ACT Mod-Twin Kits T3R-S05

ACT 04-20 WRX STI Mod Twin XX Race Kit Sprung Hub Torque Cap 1340ft/lbs Not For Street Use

OUT OF STOCK

Action Clutch Clutch - Triple - 7.25in ACR-2306-3D

Action Clutch 04-21 Subaru WRX STi 7.25in Triple Disc Race Clutch Kit w/Steel Flywheel

SHIPS FROM MANUFACTURER
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)

2018-2018 Subaru WRX STI Type RA
2016-2016 Subaru WRX STI Series.HyperBlue
2019-2019 Subaru WRX STI S209
2015-2021 Subaru WRX STI Limited
2015-2015 Subaru WRX STI Launch Edition
2015-2021 Subaru WRX STI Base
2004-2014 Subaru Impreza WRX STI

XCLUTCH Clutch - 9in Twin Sprung Ceramic XKSU23623-2B

XClutch 15-21 Subaru WRX STi Base 2.5L 9in Twin Sprung Ceramic Clutch Kit

IN STOCK (2) - LOW
SHIPS FROM MANUFACTURER
(Last checked: 02/11/2026)
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)

Clutch Masters 850 Twin Disc Clutch Kits (15017-TD8S-XW)

Fitment:

Description:

Related Links:

Other Clutch Kits - Multi: