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- 489CI BIG BLOCK
Prestige Motorsports - 489CI BIG BLOCK
Our 489 Big Block Airboat Engine is far different than a basic Chevy crate engine. The 454 based stroker engine is designed with a host of upgraded internals specific to airboat use to provide maximum torque from 2,500 to 5,550 RPM, right where you need it on a boat. Get on plane quicker in the water or blow over dry land easier on your airboat.
