RPG Off-Road’s 2.5 Bump Stop Kit will get you the industries best selling rear frame support/gusset kit with Fox 2.5″ bump stops. When adding the Stage 2 kit to your F-150, you will not only strengthen the rear frame and gain the peace of mind you are looking for, you will also add more damping power because of the Fox Racing 2.5″ Air Bumps. These are the same Air Bumps you will find on a good portion of the race cars competing in the Baja 1000. This product is also compatible with both OEM leaf springs and Deaver Springs.

• Over 1,000,000 miles of collective abuse
• 3 times thicker than the stock frame
• Strengthens whole rear frame, not just the weak sections
• Big enough and Strong enough to run 4″ long airbumps to increase payloads and towing
• 100% Lifetime warranty on your frame support
• Able to run very little air pressure for smooth and controlled ride
• Double cross bolt design to eliminate inward frame movement
• Doesn’t interfere with aftermarket exhaust options
• No gimmicks, just proven results with the offroad miles to prove it

What comes in the box:

• RPG Frame Support with Air Bump Mounts
• FOX 2.5″ Air Bumps
• Grade 8 Hardware
• Delrin Pad Extensions
• Axle Impact Pads

*Modification to frame required for 2021+ F150’s with Tremor package or Max Tow Package. There is an extra gusset plate on the frame that will need to be removed.*