BluePrint Engines Marine GM 350 C.I.D. 350 HP Base Long Block Crate Engines

Take control of the water with help from BluePrint engines. Try one of their marine GM 350 c.i.d. 350 hp long block crate engines to get the job done. They're built from the ground up to provide a reliable 350 hp and 400 lbs.-ft. of torque to power your boat that needs serious power. Block: * 4-bolt main block * Passenger side dipstick * Square and parallel decked * Align-honed main bearing bore * Cylinders honed on computer-controlled machines to within .0002 in. straightness and roundness * Cylinders are sonic tested for thickness Rotating assembly: * Cast iron crankshaft * Hypereutectic pistons * OE style connecting rods * Balanced rotating assembly Cylinder heads: * Cast iron Vortec heads * 1.94 in. intake valves * 1.50 in. exhaust valves * Hydraulic roller camshaft * Hardened pushrods * Cast iron marine intake manifold * 9.5 to 1 compression * Valve covers * Oil pan * Timing chain cover * Long slot rocker arms with positive locking nuts * Dyno-tested--and shipped with results Show Less