Chevrolet Performance LS3 6.2L 430 HP / 425 LB-FT - Long Block

GM Performance LS3 6.2L 376/430 HP Long Block New from GM Performance, Customise your own LS3

Chevrolet Performance LS3 430 HP Long Block Crate Engines

Chevrolet Performance LS3 430 hp long block crate engines use an impressive 10.7:1 compression ratio to put out 430 hp at 5,900 rpm and 425 lbs.-ft. of torque at 4,600 rpm. They feature a cast aluminum engine block with a nodular iron crankshaft, powdered metal connecting rods, and hypereutectic pistons. The steel hydraulic roller camshaft has a .551 in. intake and .522 in. exhaust valve lift with 204 degrees intake and 211 degrees exhaust valve duration at .050 in. cam lift. Front-end accessories, exhaust manifolds, and flywheel or flexplate must be obtained separately, along with the engine controller kit.