• This engine is the original 1990 in my boat and has a cracked block. This is for you to fix or part out.

This listing is for a used Mercruiser 5.7L V8 Alpha One marine engine with Thunderbolt Ignition and Power Steering. This engine appears to be in good condition, ready for installation in your boat. It's a reliable choice for marine propulsion.

The engine is shown mounted in a boat, with all major components visible. It offers a powerful 5.7L V8 configuration with integrated power steering, making it a capable and convenient option for boat owners looking to replace or upgrade their current motor.