What's Included: - 4 gears in total - If you break two of the same gear inside the transmission you will need 2 packages of  gears. If you break only one gear, you only need 1 package. 2 packages replaces all gears if you are rebuilding the transmission. - 1st and 2nd speed gear ratios included.  Notes: - Note that the Juice Up is the only single-speed EVO transmission with the low gear ratio which is included in this kit. - V3 Rushmore and Trail Hunter utilize the 2nd gear drive ratio (HBP240328). If you're                looking to get a lower ratio for your V3 Rushmore or Trail Hunter, these gears will work.  Fitment: - Evo V2 Convoy and Rock Van - Evo V1 Trail Hunter, Rock Van - Arktos - Terranaut - Juice Up Part Number: 240305