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- 06-07 LBZ Duramax
Blown Black Performance - 06-07 LBZ Duramax
The LBZ was the third series of Duramax engine to be released running from 2006 to 2007. The LBZ is considered to be the "Holy Grail" of Duramax do to its near bullet proof construction and the fact that it is pre-emissions (except for EGR)
