Dear Randy;

Take a look at Langdon's (cast) headers, they should work.

Otherwise; You'll have to have yours custom made by that Co. Once there coated you can't modify them W/O ruining the coating etc.

You could use the 292 manifold also & save some money.

Good luck. \:\)

John M., I.I. #3370

"There are no shortcuts to any place worth going". -Anon