The Pro Star™ series of engines are 100% brand new and utilize the highest quality parts. Each engine in this lineup is built with a new high quality Dart™ block and forged pistons, and is available in different compression ratios to customize the engine for your use. Pro Star™ engines are the most American made crate engines you can find; featuring parts from companies like Dart™, Elgin Industries™, Howards Cams™, and are completely manufactured and assembled in the United States.

Small Blocks

Tri Star OE replacement engines and transmissions incorporate the latest upgrades and meet or exceed OE specifications.

At Tri Star Engines and Transmissions we've spent countless hours developing high performance engines for all types of motorsports.

Tri Star OE marine replacement engines will get you back on the water fast and provide years of dependable service.