radiator part #

3443975 also, 75 2-row was on most standard 340's, 976 is a three row mostly found on HD N95 cars with a/c or 3.55 /3.91, 977 is a 2-row, i think they were mostly on 318 a-bodys w/ac. The link to the list is a very good one but for some reason the 71 a body 340 info was left out.