Yeah they are 4/1's. Mike Hiker is who owns HRE, You may not know it but im sure you have seen his products before. He makes things for k&k, elite, Burgard and i believe he used to make things for Nacs as well, then they basically put their own sticker on it. But they guy knows his stuff hes john natalies old mechanic. What did you order? I cant wait to see some pics!