BluePrint Engines MBP3550CT - 350 CID GM Marine Small Block Compatible Longblock - 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 Extended Description: Power your boat with this reliable BluePrint Engines marine crate engine, delivering 350 horsepower and 400 ft. lbs. of torque. This engine is specifically designed for carbureted marine applications, providing 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" Intake/1.50" Exhaust Valves) Hydraulic Roller Cam (.480" Intake/.489" Exhaust Lift, 226/236 Duration @.050-112° Lobe Separation Angle) New Cast Iron Marine Intake Valve Covers Oil Pan Built for Carbureted Marine Use: This engine is designed exclusively for carbureted marine setups. It features a robust BluePrint cast iron block, hypereutectic pistons, and Vortec cylinder heads for reliable performance in the demanding marine environment. The included new cast iron marine intake is specifically designed for marine applications. Important Notes: This engine is designed for CARBURETED use only. It is NOT for use in any factory fuel-injected applications. Replaces standard rotation engines only. Not available as reverse rotation. BluePrint Engines strongly recommends the use of a flame arrestor in marine applications and advises checking local laws to ensure compliance with the United States Coast Guard Requirements for Ignition Protection & Fire Resistance.