This reverse gear box fit 150cc go kart comes with coupling dual chain. It is universal for most go kart brand, if your go kart come with sigle row chain, this gear box can not work. The item "Go kart reverse gear box 150cc kinroad dazon roketa baja blade BMI sahara BMS" is in sale since Tuesday, December 18, 2018.This item is in the category "eBay Motors\Parts & Accessories\Other Vehicle Parts\Go Kart Parts". The seller is "txwatvparts" and is located in Dallas, Texas. This item can be shipped worldwide.