Consists of engine block, crankshaft, connecting rods, pistons, piston rings, cylinder head assemblies (including valve train components), lifters, camshaft, timing gears and chain, timing chain dampener, front cover, harmonic balancer, oil pump, valve covers and oil pan, unless otherwise specified.
RPO - LH6
2005 - 2006 Chevrolet Trailblazer (ST1)
2005 - 2006 GMC Envoy (ST1)
2005 - 2006 Chevrolet SSR (ST1)