wasup im selling my turbo tuff I beam rods for gsr they are brand new in the box never used with ARP bolts on them if you did not know. I am sellin alot of my stuff right not im goin k series so really no need for it these rods support up to 1000+hp and i paid 750+ shipping im askin 600 obo shipped taking offers also pm me for pics serious ppl only thanks!