Hot Cams Valve Shim Kit 7.48mm OD for Yamaha FZ1 2001-2005

47 total shims sizes. 3 shims of each size 141 total shims. Made from 4140 cold rolled steel Includes plastic organizer case. Will work with OEM cam adjustments as well as Hot Cam adjustments. Specs:10.00mm outside diameter shims. Sizes range from 1.85mm to 3.25mm. Sizes are in .05mm increments