JRspec GT30 .63 4-bolt

Exhaust iron from JRspec, compatible with JRspec and Garrett turbochargers and their copies. Cast irons are stress relieved, which prevents them from cracking. Flanges are arranged so that the cast iron is ready for installation out of the box. Type of cast iron: GT30 A / R: .63 collector flange: T3 Downpipe flange: 4-bolt