My 327 V-8 has linkage like this: #7 looks like the part you need
http://www.lmctruck.com/icatalog/cbe/full.aspx?Page=37
Top right diagram
BTW last time my clutch linkage fell apart i couldn;t find part #3 in that diagram, went to chevy dealer and it took 1-2 weeks and ran $30 so avoid the dealer but they might carry the part