
The SPEC Stage 1 clutch kit is listed for Ford Mustang 5.0L GT/Boss engines with the 9‑bolt cover pattern for model years 2003 and 2011–2013. Intended as a direct replacement single‑disc kit, it provides a durable clutch assembly for street use and routine spirited driving on specified Mustang 5.0L applications where OE-style engagement and serviceability are desired.
Spec 03/11-13 Ford Mustang 5.0L GT/Boss 9-Bolt Cover Stage 1 Clutch Kit