To fit: 911 1965-1989 6 required per engine for heat exchangers 930 1975-1989 6 required per engine for heat exchangers 914/6 1970-1976 9 required per engine for heat exchangers 924 Turbo/GT 1979-1984 2 required for securing turbocharger to mounting 944 S 1985-1988 2 required for securing air flow meter to mounting 911 (964) 1989-1994 2 required for securing power steering pump 911 (964) 1989-1994 4 required per engine for heat exchangers 911 (993) 1994-1998 5 required per engine for heat exchangers 911 (993) Turbo 1994-1998 4 required per engine for heat exchangers