got this pair from a closing out junkyard years ago
they are marked as being for a 455
the part numbers as best i can read them are
381861 LH
353030RH
There are a couple of date code markings
k 11- thiink k 11 means early 70s
ne1
any help is appreciated
353030 Chevy BB Exhaust Manifold RH 1973 1974 C10 Pick Up , Chevelle 396 454
1960 GMC Short Fleet side 455 T400
1969 Chevelle Wagon 3 row #'s LM1 M20 ( project)