These ARP Hayabusa crank studs have been used on the Fastest Motorcycle in the World and many other stupid horsepower bikes out there from Land Speed to the Quarter Mile.  

Similar to other ARP Hayabusa studs these are manufactured with ARP 2000 material.  This Hayabusa main stud kit is supplied with hardened 12 point nuts, hardened washers and ARP Ultra Lube.  These are a direct replacement for your OEM 9mm main bolts.  Fitment- 1999-2020 Hayabusa models.