Screw Speedway. 5/8"-18 rh tie rod end Moog/TRW #: ES370R Howe part #: 23280 http://www.howeracing.com/Steering/Index-TieRods-Precision.htm 23280ES370R 5/8"x18 RH Thread65-68 Bel Air, Biscayne, Caprice, Impala
afco makes them too. i don't have the part # in front of me but i've used them on my lmsc. good stuff & a little cheaper than the howe....mel