Chevrolet Performance 19435106 - LS3 Longblock Crate Engine

Based on the production LS3 engine, the engine uses L92-style rectangular-port heads to produce 430 hp and 425 lb-ft. with the production intake manifold and other accessories. Engine LS3 Horsepower 430HP @ 5900 rpm Torque 425LB-FT @ 4600 rpm Compression Ratio 10.7:1 Block Aluminum Heads L92 rectangular port Includes: - Completely assembled GM long block - F-body style oil pan, oil pump & pick-up - Harmonic balancer - Front Timing Cover - Oil Filter Dipstick, Dipstick Tube, and Steam vent pipe do not come with Long Block engines. Dipstick and tube can be purchased below if using the included oil pan. Check out more steam vent tube offerings here: Steam Vent Tubes