btw, Until ford took over yates and roush, Wiseco made all of roush's nascar pistons, and to this day roush still wants us to make them but ford wont allow it, but for some reason, all of roush's street motors he sells and custom ford drag motors we still do, chevy motors are made at JE. And another piece of knowledge, wiseco make about 60% of JE forgings now and most of diamonds pro stock pistons. JE and Wiseco are owned by PMI (dover corp.), we work together on alot of things, making our processes better, but one myth that I will say is untrue, JE does not machine Wiseco auto pistons.