![Icon 2007-2014 Fj Cruiser/2003-Up 4Runner Rear Air Bump Kit 56104](http://roco4x4.com/cdn/shop/files/00eaf0fafd2dae0c242f9bb190eb6f0b_2d1d4ae0-c70e-4ca1-84a0-d428fcd47bfd_800x600.jpg?v=1715356881)
![Icon 2007-2014 Fj Cruiser/2003-Up 4Runner Rear Air Bump Kit 56104](http://roco4x4.com/cdn/shop/files/00eaf0fafd2dae0c242f9bb190eb6f0b_2d1d4ae0-c70e-4ca1-84a0-d428fcd47bfd_800x600.jpg?v=1715356881)
Description
Hydraulic / pneumatic bumpstop increases bump energy capacity; Urethane rod seal and wiper for long service life; User serviceable; Velocity sensitive bumpstop increases the amount of energy absorbed the faster it is hit; Reduces rear end kick and improves overall performance; Increased bottom resistance over stock; No loss in travel; Easy installation inside coil; Pre-tuned for most users; Linear-digressive piston which compliment a bumpstop over the industry standard linear-linear piston. Infinite tuning options with valve stack, oil volume, and nitrogen pressure adjustments; CAD Plated body for corrosion free service