I know that...I'm familiar with difference of coilover shocks vice coil and shock suspensions. As noted my Spark only has coils out back and no shocks. I see on Amazon that an OEM Rear ACDelco shock (https://www.amazon.com/dp/B010GJ268I/ref=wl_it_dp_o_pd_S_ttl?_encoding=UTF8&colid=2XI79EBNELE04&coliid=I1OZRIJWE3UEO5) is available. So to clarify, my question as stated is it standard OEM for just rear coils out back or is there supposed to be shocks as well? Online sells a whole bunch of racing aftermarket coilovers that I have no need for. I'm looking to ensure what I have is stand