Ok guys and gals here is what I have...79 f250 460BB C-6 trans dont remember off had what transfer case thinking the NP204 here is the plan I want to build a 557 stroker for it and just so I can get the extra breathing room for it I need some headers problem is finding a set...anyone have any info on finding a set everything I find is for the two wheelers...thanks for the help and any additional advice would be appreciated