These Yokomo YZ-4 48P Spur Gears mount to the optional Yokomo Center Gear Differential Case (YOKS4-504GH) and will provide more tuning options to your YZ-4 SF and YZ-4 SF2. These spur gears are available in multiple sizes. Please select the size you need from the list above. Package includes one optional spur gear.
This product was added to our catalog on June 8, 2021