gStreet BackHalf IRS Rocker 68-72 Chevelle GM A-Body Contains: Welded Rear Clip For Use with Rocker Arm Actuated Coil-Overs, Rear Floor Behind 2x4 Crossmember, Builder Tubs & Package Tray Bulkhead. Rear Frame Outside Width 39" Options Subframe Connectors and Roll Bar. Suspension Purchased Separately. ------- SPECIAL ORDER PART NOT CANCELABLE OR RETURNABLE FOR ANY REASON---------