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Crate Engines, Marine Pro Series GM 632 C.I.D. 775 HP Dressed Long Block, Assembled, Internal Balance, Aluminum Heads, Chevrolet, 10.3L, Each

More power for your boat! BluePrint Engines Marine Pro Series GM 632 c.i.d. 775 hp dressed long block crate engines are manufactured under strict tolerances and provide outstanding, consistent results. BluePrint Pro Series Marine crate engines are also dyno-tested and include the dyno sheets.

Marine Pro Series GM 632 c.i.d. long blocks feature:
• BluePrint cast iron block
• 4-bolt mains
• One-piece rear main seal
• Mechanical fuel pump provision
• 10.2 in. deck
• Forged crankshaft
• 4.750 in. stroke
• Forged H-beam connecting rods
• Forged pistons
• Internally balanced rotating system
• Aluminum cylinder heads
• 119cc chamber
• 2.30 in. intake/1.88 in. exhaust valves
• 316cc intake/124cc exhaust runners
• Hydraulic roller camshaft
• Lift = 0.647 in./0.647 in.
• Duration at 0.050 in. = 248/254 degrees
• Lobe separation = 112 degrees
• Carburetor
• Aluminum intake manifold
• Billet distributor
• Valve covers, oil pan, and timing cover
• Spark plug and wires
• Harmonic balancer