Features
•Cupless injector bore - no injector cups to leak again ever!
•New aluminum casting
•New valves, valve guides, new springs, and new valve seals
•CNC cut, multi-angle valve job
Notes
Fits Federal Emissions vehicles ONLY. Does not fit California delivered vehicles.
Installation Notes
We recommend using GM 12637788 head gasket (Grade C, Right) and GM 12637785 head gasket (Grade C, Left)
Fitment:
2001 GM Silverado/Sierra 2500/3500 6.6L LB7 Duramax
2002 GM Silverado/Sierra 2500/3500 6.6L LB7 Duramax
2003 GM Silverado/Sierra 2500/3500 6.6L LB7 Duramax
2004 GM Silverado/Sierra 2500/3500 6.6L LB7 Duramax