Want easier access under your front end and a custom, aggressive look? A bumper flip kit is one of the smartest aftermarket upgrades you can make to your Peterbilt 357 or 378.
These heavy-duty semi truck bumper flip kits let you raise your
Pete 357/378 front bumper with the flip of a switchâboosting ground clearance and making maintenance a breeze. Whether you're looking to avoid scraping your
Peterbiltâs blind-mount bumper trim on steep drives or just want to show off your rig's custom style, this kit delivers.
What Comes in Semi Truck Bumper Flip Kit?
- Frame-mount brackets built tough for commercial use
- Pivot/hinge brackets that allow your bumper to swing up smoothly
- Air cylinder brackets and hardware for secure mounting
- Support brackets to keep everything aligned and rattle-free
- Solenoid valves for cab-controlled lift and drop
These arenât just accessoriesâtheyâre engineered systems that integrate with your truckâs compressed air setup for precise bumper control. Just hit the in-cab switch, and compressed air flows through the solenoid valve to lift the bumper with durable air cylinders. When you're done, drop it back down just as easily.
Why Install a Flip Kit/Lift Kit?
- Increased clearance: no more bumper drag on curbs or jobsite terrain
- Quick front-end access:makes oil changes and checks faster
- Clean blind-mount look:hides bolts for a slick custom profile
- Show-truck ready:perfect for chrome or custom bumpers
- Bolt-on design:no welding needed for install
Built with precision-fit steel components, these flip kits are made to last and perform. They pair perfectly with heavy-duty aftermarket
grille guards for the 357/378 model. Whether you're customizing your show truck or just making day-to-day maintenance easier, our Peterbilt 357/378 bumper lift kits offer the best of both worldsâform and function.
Frequently Asked Questions About Peterbilt 357/378 Bumper Flip Kits
What is a bumper flip kit and why would I need one?
A bumper flip kit is a set of mounting brackets that changes the position of your front bumper, typically raising it higher on the frame rails. This is commonly done to increase ground clearance and approach angle for trucks that operate off-road, in oilfield applications, construction sites, or other rough terrain where a stock-height bumper could be damaged.
Will this flip kit fit my specific Peterbilt 357 or 378?
Flip kits are designed around the frame width and mounting points of specific model years and cab configurations, so fitment can vary even within the 357 and 378 lineup. Before ordering, check the listed compatibility details for your exact model and confirm your frame dimensions and existing bumper style match the kit specifications.
Does installing a flip kit require drilling or permanent modification to the frame?
Most flip kits are designed to bolt on using the existing frame holes or the bumper's original mounting hardware, but some installations may require additional drilling depending on your truck's setup and the bumper you're pairing it with. Reviewing the included installation instructions before starting the job will help you understand what's needed for your particular truck.
What material and finish options are available for these kits?
Flip kits are typically offered in steel or aluminum, with finish options that may include raw, painted, or powder-coated depending on the manufacturer. Steel kits offer added strength for heavy-duty use, while aluminum options can help reduce overall weight. Check the specific product listing to confirm which material and finish best suits your application.
Will raising my bumper with a flip kit affect my lights or DOT compliance?
Changing the height of your bumper can affect the position of mounted lights, such as turn signals or marker lights, so you may need to reposition or add lighting to stay compliant with DOT regulations. It's a good idea to review current FMVSS lighting height requirements and check with your local inspection authority to confirm your truck remains compliant after the change.
