that would be press. i have not seen what the bushing metal make up on the scat is ? they do not say or i have not seen it??? .like i said for low miles there floaters are ok have no worry,s used many many of them you may have to call them ask what the bushing is ampco 18? i do not know. they are not saying .crowers do post what busing there using . for hi mile engine this is something you want to know . i realy feel we keep going around on this till i see it your way. i just can not see it your way. so i really do not feel like posting on this any more .not mad just abit tired of it .like i said it.s your build you should build it the way you want