Found these online, Cobreau seat brackets with sliders, a little pricey ($94 each) Cobreau, Sparco, Momo etc seats mount basically the same from my understanding if you want to use aftermarket seats in my case Tenzo R's
Sparco also had something but its a little confusing, scroll to the 500 style to see what im talking about
Sparco also had something but its a little confusing, scroll to the 500 style to see what im talking about