MARINE LONG BLOCKS



Product Image Item Name- Price
BPR 598 DELUXE MARINE LONG BLOCK ASSEMBLY

BPR 598 DELUXE MARINE LONG BLOCK ASSEMBLY

THIS IS A BOOSTPOWER USA PARTIAL 598 CUBIC INCH MARINE LONG BLOCK ASSEMBLY. IT IS BASED ON A DART CAST IRON ENGINE BLOCK. IT IS FURTHER EQUIPPED WITH...

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BPR 632 DELUXE MARINE LONG BLOCK ASSEMBLY

BPR 632 DELUXE MARINE LONG BLOCK ASSEMBLY

THIS IS A BOOSTPOWER USA PARTIAL 632 CUBIC INCH MARINE LONG BLOCK ASSEMBLY. IT IS BASED ON A  DART CAST IRON ENGINE BLOCK. IT IS FURTHER EQUIPPED...

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BPR 572 DELUXE MARINE LONG BLOCK ASSEMBLY

BPR 572 DELUXE MARINE LONG BLOCK ASSEMBLY

THIS IS A BOOSTPOWER USA PARTIAL 572 CUBIC INCH MARINE LONG BLOCK ASSEMBLY. IT IS BASED ON A DART CAST IRON ENGINE BLOCK. IT IS FURTHER EQUIPPED WITH...

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BPR 565 DELUXE MARINE LONG BLOCK ASSEMBLY

BPR 565 DELUXE MARINE LONG BLOCK ASSEMBLY

THIS IS A BOOSTPOWER USA PARTIAL 565 CUBIC INCH MARINE LONG BLOCK ASSEMBLY. IT IS BASED ON A DART CAST IRON ENGINE BLOCK. IT IS FURTHER EQUIPPED WITH...

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BPX 502 MARINE LONG BLOCK REPLACEMENT

BPX 502 MARINE LONG BLOCK REPLACEMENT

This 502 engine is engineered for improved boating performance. The massive GEN 6 502 big-block is a bolt-in replacement for your old Mercury or...

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BPX 383 MARINE LONG BLOCK

BPX 383 MARINE LONG BLOCK

With GM's legendary Fast Burn cylinder heads and 383 cubic inches, the BPM 383 435 horsepower engine delivers incredible torque with smooth, linear...

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BPX 350 MARINE LONG BLOCK PERFORMANCE

BPX 350 MARINE LONG BLOCK PERFORMANCE

This is a Boostpower USA 350 Marine long block engine assembly. With a typical dual plane Marine intake manifold and a 4 barrel Carb, this engine...

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CUSTOM LONG BLOCK ENGINE KITS

CUSTOM LONG BLOCK ENGINE KITS

WE CAN SET UP A CUSTOM KIT TO YOUR SPECS. CALL 877-BPOWER-4-U

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BOOSTPOWER USA  offers specialty complete high performance race and pleasure marine long block partial engine kits. These marine long blocks are assembled with precision and a great foundation for your marine engine. We also offer marine short-blocks, balanced rotating assemblies, custom cylinder heads, and all the other hardcore marine engine internal parts necessary to complete a reliable performance marine engine project.  BOOSTPOWER’s years of dedication to technology along with our continuous building, dyno testing, competing and tuning these mighty power plants assures you of a winning reliable combination right from the start.