Camshaft + converter for 318 w/302 heads

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got a 86 318 roller cam motor with roller lifter came out a 86 diplomat with 85,000 miles on it....good running dont smoke or use oil...not tryin to be argumentative,..just stating,..will photo build dates tomorrow if i get time...posibile its been swaped i reckon...but doubt it..

It will say what year block it is on the side of the block..