Aluminum 12 lbs6.200"164-tooth6-bolt0 oz.-in.Fits 6-bolt 4.6 Mustang with 10.5" clutch and some 11" clutch applications. Does not fit 2005-2010 Mustang production clutch disc. Reduced rotating mass. Meets SFI 1.11 2 4 M-6375-Z460A Billet steel 40 lbs6.00"176-tooth6-bolt24.2 oz-in.Fits 1979-1997 460 including M-6007-521FT/RT for external balance only. 11" long or diaphram-style clutch with 5/16" holes. 11.5" and 12" long or diaphram-syle clutch. 11" diaphram Ford trucks even pattern. Meets SFI 1.1 .
