This Hays Hot Street Clutch Kit fits GEN III Hemi engines with 8 bolt crankshaft. It offers ultimate Street/Strip performance through matched components. A 10.5 inch organic sprung hub top disc with a 10.5 inch organic solid hub bottom disc provides superior grip needed for the strip, while the matched diaphragm style pressure plate provides a pedal feel comfortable enough for the street. This provides maximum clamping pressure and transmits that through a Billet steel flywheel. These matched components provide the peace of mind purchase you've come to expect over the years from Hays.