The Super PhatShaft 66 was designed for trucks that have multiple fueling upgrades. It is a high performance charger. This turbo put Industrial Injection on the map. It features a 66mm extended tip compressor wheel and a 71mm exhaust
wheel. The 14cm exhaust housing has custom dual oversized passages and a
wastegate spacer plate for maximum efficiency. Like all Phat Shaft turbochargers it is equipped with dual grooved
bearings and an adjustable boost elbow. The Super PhatShaft 66 can
*03-07 "CRL" Large Flange model will work with 03-07 5.9L trucks and will retain cast elbow allowing use of factory downpipe.
"CR" Turbo will require removal of cast elbow from back of turbo. This
will require an HX40 downpipe and exhaust modifications for complete
*04.5-07 Models will require a wastegate fooler or performance module that has wastegate control capabilities.