Ford 302 351 SBF Hays Hot Street Clutch Kit 50oz Ext Balance 550hp # 93-2500This Hays Hot Street Clutch kit fits 1982 1997 50oz external balance small block Ford engines. It offers ultimate Street Strip performance through matched components. A 10. 5 inch metallic disc with 6 spring helix sprung hub 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 30% more clamping pressure and transmits that through a Billet