66 is a mid to high range replacement turbo intended for performance
and light towing. The PhatShaft 66 comes standard with a 14cm exhaust
housing. This turbo
features a 65mm turbine. The wategate is set at 45psi and can be
adjusted with the adjustable boost elbow. All PhatShaft turbochargers
are equipped with dual grooved bearings. The original PhatShaft 66
compliments mid to high range fueling upgrades and can support 400 - 750hp.
*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.