CURT 56584 Replacement Vehicle Side Custom USCAR 5 Pin Trailer Wiring Harness Hardware This particular class 1 hitch 120973 This particular class 1 hitch is designed to be a custom hitch for certain years of the Mazda Miata (to verify vehicle compatibility the TruTrack employs interlocking nuts and six preset holes to provide specific angles of tilt and a simpler adjustment method Stress is the last thing you should feel when towing a trailer whether you're hauling your RV to that favorite camping destination Plugs into USCAR socket to provide 5 way flat trailer wiring connector Simple plug and play design eliminates the need for cutting or splicing 5 way flat connects tail lights