Who's the latest to upgrade to Holley EFI? It's off-road star Justin Lofton, whose powerful Fox/MultiCam Ford truck now sports a complete Holley EFI system. The 30-year-old pro, coming off back-to-back wins in the prestigious Mint 400, including a come-from-behind last-lap victory in 2016, called on Ison Racing Engines and Holley to convert his powerful Roush Yates Engines RY45 Ford to electronic fuel injection.

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