BluePrint Engines MBP3550CTC - 350 CID GM Marine Small Block Compatible Dressed Longblock w/ Carb - 350HP

Horsepower 350HP Torque 400FT/LBS Compression Ratio 9.5 to 1 Block 4 bolt main, 1 piece rear main seal Pistons Hypereutectic Rotating Assembly Steel Crank - 3.480 in. Stroke, 5.7 in. Rods Heads Cast iron Vortec Camshaft Specs Flat tappet, 480 Int / .489 Exh and 226 Int / 236 Exh dur @ .050 - 112 LSA Power your boat with this reliable BluePrint Engines marine crate engine, producing 350 horsepower and 400 ft. lbs. of torque. This engine is designed for carbureted marine applications and offers a strong and dependable power source for your vessel. Key Features: 350 Horsepower / 400 ft. lbs. Torque 9.5:1 Compression BluePrint High Strength Cast Iron Block (4-Bolt Main, Precision Machined) Cast Crankshaft (3.480" Stroke) Hypereutectic Pistons Vortec Cast Iron Cylinder Heads (1.94"/1.50" Valves) Hydraulic Roller Cam (.480"/.489" Lift, 218/224 Duration) Marine Intake Manifold Marine Carburetor (Brand may vary) Distributor Oil Pan Valve Covers Built for Marine Use: This engine is specifically designed for carbureted marine applications. It features a robust BluePrint cast iron block, hypereutectic pistons, and Vortec cylinder heads for reliable performance. The included marine intake manifold and carburetor are designed to withstand the harsh marine environment. Important Notes: For CARBURETED use ONLY. NOT for fuel-injected applications. Replaces standard rotation engines ONLY. Not available as reverse rotation. BluePrint Engines recommends using a flame arrestor and checking local laws for US Coast Guard compliance regarding Ignition Protection & Fire Resistance.