Consists of engine block, crankshaft, connecting rods, pistons, piston rings, cylinder head assembly (including valve train components), lifters, camshaft, camshaft actuators, balance shaft, timing gears and chain, timing chain dampener, front cover, oil pump, and spark plugs.
RPO - LLR
2008 - 2010 Chevrolet Colorado (T1)
2008 - 2010 GMC Canyon (T1)
2008 - 2010 Hummer H3 (N1)