I recently just went thru top end on 460. The headers are super comps and leak bad. The gasket I used was recommended from summit but doesn't look like it cover the top of the port very well. There any special gaskets to use for these headers or special tricks to keep from leaking. Also the header bolts can't hardly be installed due to tube being in the way. Are all headers like this or do I just have a sorry set of headers?

You might have CJ headers. Better double check part number and mfr’r detsils.