Type 4 CNC Billet Exhaust Flanges
Made in the USA
Excepts 1 5/8" header tubing.
Has a tall .290" recessed area ( slip pipe in-to) for welding.
.130" thick across seating surface to mate up against the head stock exhaust port.
Built for turbo or aspirated use to help guaranty not to leak.
Bolt mounting flanges are .920" tall on each side.
4x Flanges.