If you run a heavy clutch this is a regular replacement item, I've tried them all at some point over the years... my best success, best consistent quality, is the FR HD TOB. Somebody can probably speak up as I'm sure many are all from the same manufacturer, just rebranded... again, my best success is with the FR HD TOB... if you can get one from the same manufacturer cheaper because they also sell it under a generic brand name minus the FR box, i'll be on that like white on rice...