04.5-05 Duramax 6.6 LLY GT3788va Turbo&nbsp;Charger Inconel Unison Ring+ Vanes 9PCS+GT3788VA Rebuild Kit+GT3788VA Compressor Wheel 6+6 Work for 04.5-05 GM CHEVRY Duramax 6.6L GT3788VA turbos Vanes Height:approx.13.2mm, double check your Vanes before purchasing. There are another GT37 vane, which has a height of approx.15mm Compressor wheel: approx. 63.5mm(Inducer)/88(Exducer), check yours before purchasing! With 360 Thrust Bearing and 2 piece collar System, Upgraded Journal Bearing Design Unison Ring Reference P/N: 3C3Z-6C885-A