This item is used on multiple models.
main gear is an upgraded style 54 tooth brass main gear with cut-outs for drag pips.
Matched with 13-545
9 tooth stainless pinion gear providing a gear ratio of 6.0
Gear Kit 4.25-1 Ratio has been discontinued and is no longer available.
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"