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, oil pan, flywheel.
RPO - LZ4,LZE
2006 - 2010 Chevrolet Impala (W)
2006 - 2010 Chevrolet Monte Carlo (W)
2009 - 2010 Chevrolet Malibu (3Z)
2009 - 2010 Pontiac G6 (3Z)
Notes: Engine oil pan may need swapped