The HydraStrike Nitrogen Charged Hydraulic Bumps are engineered to deliver controlled, repetitive bottom-out performance for aggressive off-road use without compromise. Designed specifically for the rear upper bump location on Jeep JL Wrangler. MetalCloak HydraStrike focuses on performance, durability, compatibility, and consistent damping when it matters most.Unlike emulsion style bumps that require heat buildup before they function properly, the HydraStrike piston design with internal reservoir delivers consistent damping performance from the very first hit. Whether dropping off an obstacle orabsorbing repeated high-speed hits, HydraStrike maintains predictable control from the first impact.The HydraStrike Disogrin seals are used to deliver exceptional sealing performance and long-term wear resistance in harsh off-road environments. These oversized industry leading seals provide a larger contact surface that better resists contamination, reduces leakage, and maintains consistent damping performance over time. Providing a hydraulic bump that stays smooth, reliable, and serviceable even after repeated harsh impacts.The massive 5/8 wide Polytetrafluoroethylene (PTFE) lined shaft bearing is built into the HydraStrike to better distribute side loads and reduce friction under compression. This wider bearing improves stability during angled or high-speed impacts, minimizing shaft deflection and premature wear. The PTFE lining ensures smooth operation without binding, all while extending the service life in demanding off-road conditions.Each HydraStrike includes a Delrin strike pad to refine impact feel and reduce noise at full compression. This design softens harsh bottom outs while maintaining durability, making it ideal for daily drivers and trail rigs.HydraStrike is built around a .125 wall tube shaft, providing a substantial strength advantage over the thinner .085 wall designs. This thicker shaft improves resistance to bending and deformation under extreme loads, increasing durability during hard impacts and aggressive driving.the bump stop also features a welded-on body mount constructed from 1/8″ hot rolled steel, adding further structural integrity and long-term reliability. Giving you the confidence to push your suspension to its limits.Compatible with JL WranglerHydraulic Nitrogen Charged, Oil Dampened Bump StopsMade of .125 Wall Tube Shaft For Increased StrengthDisogrin Seals For Superior Sealing Performance & Wear Resistance5/8 Wide PTFE Lined Shaft BearingBody Threads Match the Fox Weld-In Mounts for CompatibilityInternal Reservoir DesignNo Warm-Up RequiredDelrin Strike PadWeld-On Body MountsReduced Noise & Softer Impact FeelQuick and Easy InstallationMade in the USANotes:** PLEASE ALLOW A LEAD TIME OF 2-3 WEEKS FOR PRODUCTION AND SHIPPING. FEEL FREE TO CONTACT US PRIOR TO ORDERING FOR A CHECK ON INVENTORYFits:Jeep Wrangler JL 2 Door (2018+)Jeep Wrangler JL 4 Door Unlimited (2018+)