These are twin tube shocks,8 shocks total,set for heavy and set for slick.rf heavy and rr slick have bent shafts.run approx 25 nights on a 305.have dyno sheets available $550 obo for all.prefer pickup but would ship at buyers expense.(317)691-8553 Indianapolis.had trouble uploading pic.I can send of needed.Sorry about the thread title being incorrect couldn't figure out how to correct it.