yeepp they work pretty good for offroadin trucks with a good amount of slam torq. any truck over 6+ lift if its under 6 you dont really have a need for it, cuz your chassy should be just fine. trucks like mine there not really that popular 4 suspention takes all the punishment pretty good.
really popular on F350 like walker_95 n tyler ruhles, n im not positive but i think my buddy brets 04 F-150 on here has em hes runnin like a 7 er 8in lift an was runnin em with a 6in lift.