Vehicle Compatibility: Fits Toyota Tacoma, Nissan Titan. Comparable to SuperSprings models SSR-610-47, SSR-611-47, SSR-612-47, SSR-610-54, SSR-611-54, and SSR-612-54. Load Support Rating: Designed for medium to heavy loads — supports up to 9,000 lbs at 50% compression. Direct OEM bump stop replacement with no modifications required. Modular Design: Interlocking UB1 top module and UB2 sub-module adapt to various suspension heights and load needs. Add additional UB2 /UB2F middle modules/ UB3/UB3F end module to UB12-Z1 for increased load capacity or improved towing stability. Premium Natural Rubber: Made from durable, maintenance-free natural rubber that resists tearing, abrasion, oil, salt, gravel, UV rays, and high temperatures — environmentally friendly and built for long life. Performance Upgrade: Enhances suspension support to level your load, maintain vehicle alignment, and reduce bounce or sway under heavy loads. Helps prevent suspension damage for safer, smoother driving. Trusted U.S. Support: Backed by a U.S.-based company in Southern California. Contact our team for any questions or service support. RubberShox Universal Rubber Bump Stops. It’s a Natural-Rubber Bump Stops Buffer for Truck or Recreational Vehicle (RV) front/rear Suspension System. A maintenance-free Nature Rubber Bump Stops suspension support. While soft initial contact and then increase in stiffness linearly. Offer a greater driving stability, heavy loading, off road performance and enhanced ride comfort while extending the operational lifespan of vehicular suspension. 4500/9000 lbs-force pc/pair load capacity at 50% compression.