I have a set of ls1 stainless longtube headers I purchase from the group buy from 2011. The headers had been installed but the car never was started. I got these headers to fit on my 240z, however i believe they fit the 280z better depending on motor mounts used. I am trying to see if these headers have any value any more.There are details here on this thread. thanks
http://forums.hybridz.org/topic/98997-lsx-s30-longtube-group-buy-thread/?hl=%2Blong+%2Btube+%2Bgroup