Founded in 1995, China Dongda Power Industry Co., Ltd. is one of the few marine engine manufacturer and distributor in China that has patents on the generator, motor, power supply, engine, alternator, diesel and gearmotor design, supply and sale. Our custom marine engines has obtained the certifications of ISO9001-2000, GS/TUV, CE, VL, EPA, QHS, SON, CAP and SRS and we have won EPA 2005 Motor Year Certification. Our 30 QC staff carefully performs inspections at every stage of production, from the time we receive raw materials to packaging. Noise, power, and stability are tested to ensure that our engines can endure 580 hours of constant use. We also can design and deliver OEM/ODM samples in one month.

Our Blown 572 cubic inch engine is another new addition to our 24° Conventional chevy style head engine family. We start with a Dart Big M Block that is professionally machined and blueprinted. We install a 4340 Callies crankshaft, 4340 Rods with ARP 2000 Bolts (with a longer rod for more torque), JE Custom Pistons with tool steel wrist pins and Clevite 77 bearings. A Comp Cams proprietary hydraulic roller camshaft and hydraulic roller lifters are then installed. We install a set of hand finished Dart or Canfield 24° Aluminum heads with Manley Extreme Duty Inconel valves with Comp Cams Valve Springs and hardware. Then we set a 1071 BDS blower package on top of an inner cooler with two Holley 750 CFM Carburetors. This 572 Blown Pro Marine Engine runs on 93 octane pump gas with minimum boost for maximum performance.

A high-flow cylinder head with straighter intake ports and a higher compression ratio delivers significantly more horsepower.Cylinder heads feature exhaust valve seat inserts for improved durability.Nodular iron crankshaft for increased strength and durability.Camshaft is specifically designed for marine duty cycles and optimized for maximum performance.High-silicon cast aluminum pistons for improved durability.Cylinder heads have exhaust valve seat inserts for improved durability.Cylinder case has brass water jacket core support plugs for resistance to corrosion.14" diameter flywheel provides common size with other GM engines.Common rear face on all GM marine engines for easy hook-up with housing.The compact packaging of the 3.0L L4 gasoline engine allows for excellent fuel economy with an impressive power-to-weight ratio. GM 3.0L. INLINE 4 CYLINDER. 145 Horsepower Marine Engine. 181 CID. Displacement 3.0L (181 cid). Cylinders L-4. Propshaft HP 145. Operating RPM 4300-4600. Bore 4.00 in. Stroke 3.60 in. Compression 9.25:1. Engine Rotation Left Hand Only

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