ARIES 2070475 Black Aluminum Jeep Wrangler JK Unlimited Cargo Cover Storage Box Lid fifth Cast yoke with poly torsion inserts Size:5 on 4.5" Cast yoke with poly torsion inserts to suppress shock loads and reduce noise Fully articulating torsion head for controlled coupling and stable towing Lockable handle self resets to the ready to couple position after uncoupling Constructed with a cast steel main body for a more precise build High strength This particular plug in harness provides a 4 way flat connector socket and is designed to be a custom wiring harness to fit certain years of the Kia Optima (to verify your vehicle compatibility Limited Lifetime Warranty (Three Year Finish 1 1 2" diameter