GM Small Block V8 Engine; 5.7L/ 350 Cubic Inch; Electronic Fuel Injection; Automotive; 390 Horsepower/ 410 Foot Pounds of Torque; Cast Iron Block/ Aluminum Cylinder Heads; 9.2:1 Compression Ratio/ 4 Inch Bore/ 3.48 Inch Stroke; Front: Internally Balanced/ Rear: Externally Balanced; With Cylinder Heads/ Steel Crankshaft/ Hypereutectic Pistons/ Hydraulic Roller Camshaft/ Base Dressed Long Block/ 4 Bolt Main Block/ 1 Piece Rear Main Seal/ 5.7 Inch Forged Connecting Rods/ Valve Covers/ Oil Pan/ Timing Cover/ Dual Plane Aluminum Intake Manifold/ HEI Distributor/ EFI System