PhatShaft 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 and can be special ordered with a 12cm 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.