KKPIT ACTIVE DIFFERENTIAL LSD KIT Popular gear diff unit for RDX, RD2.0, SD2.0/3.0, Reve D, Yokomo, etc.! This product is an assembly set that changes the gear diff unit to LSD specifications. *When installing on a YD-2, it seems necessary to slightly shave the protruding part of the screws. Please attach the side bearings to the cover first, and then install the coupling. This is a hot topic product in the RC drift community. *This is a brand new, unopened item. Please refrain from bidding if you are concerned about the condition. *Please note that we cannot answer questions regarding installation, as the installation instructions are based on information found online. *Please note that the sale may end early as it is also sold elsewhere. KKPIT original sponsor stickers are currently being given away with the purchase of KKPIT products over 15,000 yen. Available while supplies last.