Big block Ford facing forward turbo headers for fox body. This mild steel tubular header comes with 2 1/8" primary and 3" V-band flanges. These headers fit with motor plates only. These are some of the heads that fit Kassie P51 ,SCJ (Blue Thunder SCJ, TFS A460 with the Big Block Chevrolet Bolt Pattern ) or specify which heads you are running.  Oil filter relocation my be required on some style of heads.These headers are designed to build your own custom turbo race kit. Headers are build to order.