The original PhatShaft
is the perfect upgrade turbo for towing. The PhatShaft can be purchased
with a 12 or 14 turbine housing matched with a 65mm turbine. We suggest a 12
cm turbine housing if the truck is a 12 Valve and has moderate fueling upgrades such as 300hp injectors and a camplate. If the truck has heavier fueling upgrades such as aggressive fueling electronics,
370hp injectors, aggressive camplate and/or governor springs then you will be better suited with 14cm housing. The benefit of the 14cm exhaust housing is lower Exhaust Gas Temperatures but it will be slower to spool
in daily driving situations. The original PhatShaft is available in 3 different
compressor sizes, 62mm, 64mm, and 66mm. All three compressors have extended tip
technology. The wategate is set at 40psi to prevent head gasket failure on the
PhatShaft 62 and 45psi on the PhatShaft 64 and 66. All PhatShaft turbochargers
are equipped with dual grooved bearings and an adjustable boost elbow. The
original PhatShaft compliments moderate fueling upgrades and can support 300 - 550hp.