Overview
Chevrolet Performance LS3 6.2L 376 c.i.d. engine assemblies use an impressive 10.7:1 compression ratio to put out 525 hp at 6,200 rpm and 486 lbs.-ft. of torque at 5,200 rpm. They feature a cast aluminum block with a nodular iron crankshaft, powdered metal connecting rods, and hypereutectic pistons. The steel hydraulic roller camshaft has a .525 in. intake and .525 in. exhaust valve lift, with a 226 degree intake and 236 degree exhaust valve duration at .050 in. cam lift. These engine assemblies have revised cylinder heads featuring rectangular ports borrowed from the LS7 engine.
Assemblies also include:
* Ignition coil packs
* Spark plug wires
* Spark plugs
* Intake manifold
* Fuel injectors
* Throttle body
* Exhaust manifolds
* 14 in. flexplate
* Front timing cover
* Aluminum water pump
* Harmonic balancer
* Passenger side right hand dipstick and tube