|BASE MARINE ENGINES|
|GM V8 8.2 L
425 Horsepower V8 Marine Base Engine
Displacement 8.2L (502 cid)
Propshaft HP 425 (317 kw)
Operating RPM 4300-4600 rpm
Bore 4.47 in.
Stroke 4.00 in.
Engine Rotation Left & Right Hand
GM's 8.2L sheet
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||GM MARINE ENGINES
Engine is shipped with High-rise intake manifold.
Cylinder head features sintered powdered-metal exhaust valve seat inserts for durability.
Cylinder head features an open combustion chamber with high-velocity, high torque ports and canted valves for excellent performance.
Connecting rods are forged from 4340 SAE steel (shot-peened and magnafluxed) and use 7/16" large diameter connecting rod bolts.
Crankshaft is forged from 1053 SAE steel with ground fillets and nitrided bearing journals for durability.
High-silicon forged aluminum pistons for strength.
Heavy-duty marine camshaft with hydraulic roller valve lifters provides maximum performance.
Superior engine sealing system features one-piece viton rear main seal, one-piece oil pan gasket and O-ring rubber rocker arm cover gasket. Engine also features a composite graphite cylinder head gasket.
Common rear face on all GM marine engines for easy hook-up with housing.