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, rear cover, oil pump, oil pan and valve covers, unless otherwise specified.
RPO - LH6
2005 - 2006 Chevrolet Trailblazer (ST1)
2005 - 2006 GMC Envoy (ST1)
2005 - 2006 Chevrolet Envoy (ST1)