heres a 4th gen rear end i had built for my formula before i sold it, sold the car so i dont need it anymore. it was never installed in a car since i pulled it. it has richmond 3.73 gears gm torsen locker timken bearings. it will need the outer bearings replaced top be completely brand new for some reason they didnt come in the kit?? it also had traction control but did not had abs. looking for 450 obo open to all offers/trades just let me know call or text jake 3304137938