Perris, Ca | Posted December 9, 2017
2006 2 wheel drive (NOT 4x4), stock LLY 300hp. LLY is just a detuned LBZ. Truck has the Allison 6 speed trans. Truck is registered in AZ but currently in CA. All maintenance has been done at GM dealerships.
This is a link talking about the 2006 LLY and LBZ