High Lifter Apexx Upper / Lower Ball Joint Polaris General / Ranger / RZR The High Lifter Apexx Upper / Lower Ball Joint does not merely fill the gap it outclasses ordinary ball joints in both strength and durability. Built to be two times stronger than an OEM ball joint, this product is fully customizable and serviceable. Over time as it wears, you can adjust it to preserve its performance. It also has the capacity for fresh lubricant addition, unlike sealed units. The ball joint, an element bearing the brunt of heavy use, greatly determines your ride's handling and feel. This unit was constructed by enthusiasts for enthusiasts, keeping in mind the rigorous demands of high octane rides. Additionally, complete disassembly to replace worn components is possible with available rebuild kits. Features: 2x Stronger than OEM Ball Joints 4340 Chromoly Housing, Bushing, Cap & Stud Oversized Sphere and Stud Diameter with Optimized Profile Adjustable as the joint wears to remove slack for longer life and better control Fully Serviceable & Rebuildable for Increased Longevity and Reliability Rebuild kits available (sold separately)