Small block headers: worst to best fitting. List your experience.

318willrun said

Hands down the best fitting headers I've ever installed took 40 seconds to hang both sides.

OOOoops, you wanted A-body and that was a B-body. Sorry

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I've not installed TTI's (headers) on a A-body, but Doug's have been the best fitting header I've installed on a Duster. :)