Ford Racing Performace Parts - 1999-2004 Mustang - Clutch Kit NOTES: 1 Clutches have NO warranty! 2 All clutch discs have 1.0625"-10 spline hub. 3 Fits all 1986-01 Mustang GT, 1993-98 Cobra with T-5 or T45 Transmissions. 2001-04 Mustang GT with 3650 transmission and 1999-03 Cobra uses an 11" clutch. OK to mix and match Ford Racing clutch discs and pressure plates but do NOT install a FRPP pressure plate with a stock disc or vice-versa as disengagement problems may occur. Installation of 10.5" clutch assemblies on 1979-85 vehicles equipped with 10" clutch requires new flywheel (see page 116). Metric fasteners and dowel pins must be used with 10.5" clutches. 4 Requires metric pressure plate bolts N602549-S51M and alignment dowel pins D1FZ-6397-