This is a replacement ProTek R/C "SureStart" Gear Set, and is intended for use with the ProTek R/C "SureStart" 1/8 off road starter box (PTK-4500). Package includes two large gears that attach to the starter wheel, and two small pinion gears.
Note: This list may not be 100% accurate or up to date, and is meant to be used as a guideline for compatibility.
