On my spare 460 I would say 77-to -1979 wp pulley 6"and 7 1/2 on the crank . I will sell the whole eng. and tranny C6with pulleys carb a/c alt if you need it cheap need the extra room for the party .The one in my 71 cougar is tuff to get to at this time .It has a 1970 Linc 460 could get to it later this week .
Mustang Mendez
