This is a new 1964 1972 chevelle, el camino, gto, 442, cutlass, olds G.M. A body rear sway bar. this is 1 inch diameter. same shape as original. This is a no reserve auction. F ree Chevelle and El Camino book with sway bar. 1 800 762 0317 Muscle Factory 162 E. Orangethorpe ave. Placentia, Ca 98270.