Overview
Chevrolet Performance LS 376/515 LS3 Long Block Crate Engines
Chevrolet Performance LS 376/515 LS3 long block crate engines use an aggressive camshaft profile and a Chevrolet Performance Parts carbureted intake manifold to put out 533 hp and 477 lbs.-ft. of torque. The well-matched engine components assembled provide you with a powerful small block that can be driven on pump gasoline.
Components and features:
* Cast aluminum 6-bolt engine block
* Cross-bolted main caps
* Nodular iron crankshaft
* Powder metal connecting rods
* 10.7:1 compression ratio hypereutectic pistons
* Aluminum LS3 rectangular port 68cc cylinder heads
* 1.7 ratio rocker arms
* Chevrolet Performance hydraulic roller “hot cam” and lifters
* Carbureted intake manifold