With two applications this Shim(12x20x1) is the most specified part.
The most reasonably priced component used on the Gsxr750 2004 (k4) Usa (e03) Starter Clutch is the Washer.
A sample from the products for the Starter Clutch include: Bearing(26x31x16), Gear,starter Idle No.2, Washer, Gear,starter Idle No.1.