Racer switched combinations and traded in some new unused clutch parts they were no longer going to use allowing a racer a chance to save some money on some like new parts at a bargain price. Floaters are .360" thick. 6.375" center diameter hole and are 1.3 SFI spec. They are set up for 1.250" stands and have three grooves cut per side. Floaters are ground for parallelism to insure flatness. Floaters are sold each and we have three of them.