Choate Engineering Performance builds high-performance diesel marine engine parts, including 5.9 Cummins short block assemblies. Each short block packs serious strength and power, using precision-machined parts and balanced internals. These engines handle extreme conditions with ease, making them a top choice for motorsports, off-road use, and heavy-duty work.

Boost your performance and reliability—drop in a Choate short block and take your build to the next level!