ATK Marine Rebuilt Long Block Engines

ATK Marine Engines offers premium-quality rebuilt long block engines specifically for boating applications. These engines are designed to deliver maximum performance and long-term durability for your boat. Order the model recommended for your marine application.

ATK Marine rebuilt engines include:

* Special marine pistons and rings
* Special marine camshaft
* Marine gaskets
* New intake and exhaust valves
* New main, rod, and cam bearings
* New valve lifters, rocker nuts, and swivels
* Heavy-duty double roller timing chains
* Cam sprocket
* Crank gear
* Freeze plugs