JL 2.5" X-Factor Mid-arm "No-Limits" System The Rock Krawler Suspension JL 2.5 inch X-Factor "No-Limits" Mid-Arm System is specifically designed for RUBICON owners who want a complete system, bolt-in installation, and the best articulation of any MID-ARM kit on the market. Our system proves its... MSRP: Was: Now: $3,063.79 - $4,325.92 Choose Options