PureTurbos TC-03GTP3866-R Ford 7.3L Powerstroke Diesel Turbocharger GTP38 with Upgraded GTP38R 66/88mm Compressor Wheel - Remanufactured 1831383C92, 1831383C94, 1831450C94 and others More power & more boost Faster Spool, better MPG 1 year warranty, made in the USA, VSR balanced