Upgrade your Peterbilt 379 with a versatile bumper flip kit designed to prevent your bumper from taking damage on rough, steep-incline terrain. All of our aftermarket bumper flip kits are precisely designed to fit the classic 379 model. They're also used in a variety of ways, from off-road hauling to tricky access points off of highway ramps. Investing your hard-earned cash into a quality bumper flip kit can grant more straightforward access to your engine. Just flip it open and you've got a clear access point.