SPEC SF503-9 Stage 3 Clutch Kits - Spec 11-13 Ford Mustang 5.0L GT/Boss 9-Bolt Cover Stage 3 Clutch Kit for a 2011-2014 Ford Mustang GT and 2012-2013 Ford Mustang Boss 302.
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)
Fitment:
| Years | Make | Model | Trim | ||
|---|---|---|---|---|---|
| 2011 - 2014 | Ford | Mustang | GT | ||
| 2012 - 2013 | Ford | Mustang | Boss 302 |
Description:
Types of Driving: Street, Drag, Pulling, Autocross
Features a carbon semi-metallic 6 puck sprung hub disc that has been the leading puck clutch in drivability, life and torque capacity. This unit is designed for street and race cars that require an aggressive but streetable engagement and high torque capacity. The hub is double sprung with spring cover relieves for flexibility and heat treated components for strength and durability. Also available in 3 puck configuration. Great for street, drag, road racing, pulling, rallye and drift.
- High clamp pressure plate
- Carbon-Graphite Friction Material
- High torque sprung hub and disc assembly
- Bearing and tool kit (varies by kit)
Some of these clutch kits must be used with the Spec flywheel. Please contact us or Spec to see if the kit you are interested in needs the use of their flywheel.
Spec 11-13 Ford Mustang 5.0L GT/Boss 9-Bolt Cover Stage 3 Clutch Kit
Related Links:
05-14 Ford Mustang Clutch Kits - SingleOther Clutch Kits - Single:
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)
2015-2015 Ford Mustang GT 50 Years Limited Edition
2011-2017 Ford Mustang GT
2012-2013 Ford Mustang Boss 302
2011-2014 Ford Mustang Base
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)
SHIPS FROM MANUFACTURER
(Last checked: 02/16/2026)
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)
2005-2010 Ford Mustang GT
2008-2009 Ford Mustang Bullitt
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)