On 525GS, 535GS, 545GS:
REPLACES old 5-525 and 5-545. If you are upgrading to this NEWER style gear with the cutouts (see image) from the original gear without cutouts, you will also need to upgrade your drags.
Click to read about the "525GS Gear/Drag Washer System Change"
Click to read about the "535GS Gear/Drag Washer System Change"
Click to read about the "545GS Gear/Drag Washer System Change"