The SPEC Stage 3 clutch kit for 1999–2004 Mustang Cobra and Mach applications is an 11‑inch assembly specified with a 26‑spline disc for higher capacity drivetrains. Offered as a direct replacement kit, it provides a Stage 3 clutch solution where an 11" diameter and 26‑spline interface are required. Fitment is explicit to 1999–2004 Mustang Cobra and Mach models, making it a targeted upgrade for those vehicles.
Spec 99-04 Mustang Cobra/Mach Stage 3 Clutch Kit 11Inch with 26 Spline Disc