【Fits For】:for 1/10 :Granite (ARA102720)(ARA4302V3)(ARA4202XV3）(ARA4202V3)(ARA4102V4)(ARA4102SV4) / Senton (ARA102721)(ARA4303V3)(ARA4203XV3)(ARA4203V3)(ARA4103V4)(ARA4103SV4) / Vorteks (ARA4305V3)(ARA4105V4)(ARA4105SV4) / Big Rock (ARA4312V3)(ARA102723) / Kraton (ARA4408V2)(ARA102690) / Outcast (ARA4410V2)(ARA102692) / 1/8:Typhon (ARA102722)(ARA4306V3). 【Upgrade to Greater Strength】: Slipper Clutch Made of high-quality steel material, Hard anodic oxidation and anti-rust treatment on gear surface, long service life for these gears. 【Long-lasting Performance】: The upgrades part is durable enough,improves the overall performance of the rc car.Specially designed strengthening cut-outs for increased crash resistance. 【Easy to Install】:Easy to install, great for replace the old or broken part.Increase overall performance and durability of your RC car. 【Upgrades part】Excellent upgrades part, better experience the fun of RC car,making your RC car more exquisite and beautiful. RCMYou 58T(0.8Mod)Spur Gear Slipper Clutch with Slipper Shaft Upgrades for 1/10 Granite/Senton/Big Rock/Vorteks 3s,Kraton/Outcast 4S,1/8 Typhon 3S,Black