Alaska Frontier Fabrication

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2024 Marine Power 6.2L DI LT4 AirPac

The AirPac is a supercharged Air Boat engine. Consider this your go-to small block engine. Super doesn’t begin to cover the power this engine is packing. High-flow cylinder head design with Swirl-Wing technology induces combustion chamber swirl.

With 10+ years of airboat engineering experience and the Horizon Air Boat Award to prove it, Marine Power delivers the premier engines to service the airboat industry.

Introducing the LS family of fuel economy air boat engines with better power-to-weight ratios for your 13 foot boats all the way up to your 30 footers.

Introducing the Marine Power LT4 AirPac engine. A 620 Horsepower Supercharged Direct Injected engine designed and calibrated specifically for Airboat applications.

The New 6.2L LT4 AirPac Engine features the latest technology from both Marine Power and General Motors. We start off with a new marine Industrial base engine that features state of the art direct fuel injection. Controlled by a MEFI 7 ECM the Direct Injection allows the engine to make more horsepower while burning less fuel and achieving greater combustion efficiency than engines with conventional port injection. That along with the Marine Power self contained high pressure fuel system and other industry leading products makes this fresh water cooled engine the perfect option for a new boat build or your repower needs.