YOKOMO YD-2 Resin Gear Differential With Shock Oil Free Shipping Anonymous Delivery [Condition] Used for about 3 packs (60 minutes), but there are no major scratches or stains ^_^ I will ship it after draining the oil, so please fill it with your preferred oil. Oil is already applied, so if you want it to be smooth, you can use it as is without adding oil! [Features] This is a genuine YOKOMO resin gear differential. It can be installed on YOKOMO YD-2 series and Reve D RDX, etc. [Items to be shipped] Gear differential body Shock oil #3000 x 2