Consists of engine block, crankshaft, connecting rods, pistons, piston rings, cylinder head assemblies (including valve train components), lifters, camshaft, timing gears and chain, front cover, rear cover, harmonic balancer, oil pump, oil pan and valve covers, unless otherwise specified.
RPO - LR4
2001 - 2004 Chevrolet Pickup (CK1)
2001 - 2004 GMC Pickup (CK1)
2003 - 2004 Chevrolet Express (G2,3)
2003 - 2004 GMC Savana (G2,3)
Notes: Manual transmission applications will require procurement of a new clutch pilot bearing. If used on G-van applications, transfer the oil pan from the original engine or procure a new oil pan and gasket from GM Parts.