If your are in the market for a lightweight engine to re-power your airboat with high horsepower and torque, our Gen IV engine is what you need. Proformance Unlimited’s LS 427 airboat engine was designed with the airboater in mind. Reliability and fuel economy while still producing the power that is needed for all types of environmental conditions. We back up all our complete airboat engines with a 1 year unlimited hour warranty for your peace of mind. This engine combination comes complete with a marine grade ECM, wiring harness and sensors. We here at Proformance Unlimited have years of designing and building engines that last the test of time. Feel free to give us a call with any questions you have.
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