A forged one piece bobbin & stud providing improved and unrestricted airflow throught the disk. These are suitable for the CB Auto BTCC bells and AP 9660 caliper combination available at CB Auto.Priced per disk, so for 2 disks, you will need 2 packs
Kit contains:- 12x Bobbins
- 12x Washers
- 12x Lock nuts
*image for referance only