Quote Originally Posted by jerry clayton View Post
that flexplate is for external balanced 454 except about half of the reviews on it complain about having to file the bolt holes and some about starter teeth breaking off----its listed as sfi approved but I highly dougt that as the price is pretty low-------design might be approved, but flex plate might not pass inspection
I read those reviews saying they filed the inside edge of the bolt holes too, and to me the question would still be "Did those guys have the right flex plate for their engine?" Of course at this point we don't know which piece has the "mis-match", or if it's both.