gStreet BackHalf 4-Link 70-81 Camaro & Firebird Contains: Welded Rear Clip For Use with Canted 4-Link with Coil-Overs or Air-Springs, Rear Floor Behind 2x4 Crossmember, Builder Tubs & Package Tray Bulkhead. Rear Frame Outside Width 37" Options for Subframe Connectors and Roll Bar. Suspension Purchased Seperately. ------- SPECIAL ORDER PART NOT CANCELABLE OR RETURNABLE FOR ANY REASON---------