Marine Engine Selection

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Class II Version - Chevrolet 350 Marine Engine 325 hp @ 5400 rpm • 364 ft. lbs. Torque @ 3700 rpm

Description: The Class II Performance engine is for the serious performance minded person who needs power for a specific application. These engines are built with heavy-duty performance in mind. Special components and procedures are selected and matched to obtain maximum performance for your application. Not intended for use on pollution-controlled motor vehicles 325 hp (approx.) @ 5400 rpm • 364 ft. lbs. Torque @ 3700 rpm Version Applications: • Marine Performance • O.E.M. replacement Part Specifications: • Approximate 8.75:1 compression ratio • High performance rod bolts and nuts • High rev lifters and performance valve springs with retainers • High volume oil pump • Double roller timing set • Flat top hypereutectic pistons and moly rings • Harmonic balancer • Screw in rocker studs • High performance stainless steel valves: 1.94 Intake; 1.5 Exhaust • Class II camshaft • High performance bearings • High performance marine head gaskets • Four bolt main block • New Dart Heads Machining Specifications: • Kolene Salt Bath cleaning • Three angle valve seat machining • Precise surface finish measuring • Square decking of block • Main saddle align honing • Electronically balanced engine assembly • Torque plate honing • Computerized boring • Precision crankshaft machining, oil hole chamfering and polishing • Live testing Camshaft Specifications: • Hydraulic Camshaft • .050 Duration: 224° Intake; 224° Exhaust • Cam Lift: .300 Intake; .307 Exhaust • Valve Lift: .450 Intake; .460 Exhaust • Lobe Center: 114° Intake; 114° Exhaust The “350” JASPER PERFORMANCE Engine was tested with headers, Edelbrock Performer manifold and 600 Edelbrock Marine carburetor.