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 - L31
1996 - 2003 Chevrolet Medium Duty Truck(W4)
1996 - 2003 GMC Medium Duty Truck(W4)
Notes: CNG/LPG Ready