BluePrint Engines PSM5400CTC1 - 540 CID GM Marine Big Block Compatible Dressed Longblock w/ Carb - 670HP

Horsepower 670HP Torque 660FT/LBS Compression Ratio 10.0 to 1 Block New BluePrint block,4 bolt main, 1 piece rear main seal, Standard Deck Pistons Forged Rotating Assembly Forged Steel Crank - 4.750 in. Stroke and Forged 6.635 in. Rods Heads BluePrint Engines Aluminum Cylinder Heads Camshaft Specs Hyd Roller - .647 Int /.647 Exh lift, 248 intake/ 254 Exh dur @ .050, 112 LSA Power your boat with this BluePrint Engines crate engine, dyno-tested to produce 670 HP and 660 lb-ft of torque. Built for marine applications, this engine features a high-strength cast iron block, forged crankshaft, forged pistons, and aluminum heads. It includes an 850cfm carburetor, Edelbrock aluminum intake manifold, distributor, valve covers, oil pan, timing cover, spark plugs, MSD wires, and a harmonic balancer. 1 Designed for standard rotation engines only. Note: Closed cooling system recommended for saltwater use. Flame arrestor recommended for marine applications.