【Fits For】:for 1/10 BIG ROCK CREW CAB 3S BLX (ARA102723,ARA4312V3),GRANITE 3S BLX 4WD(ARA102720,ARA4302V3）,GRANITE 4WD V3 MEGA 550 (ARA4202V3,ARA4202XV3）,SENTON 3S BLX 4WD(ARA102721,ARA4303V3),SENTON 4WD V3 MEGA 550,(ARA4203V3,ARA4203XV3),1/8 TYPHON 3S BLX 4WD,(ARA102722,ARA4306V3) 【High quality material】: Gear Made of high-quality steel material, Hard anodic oxidation and anti-rust treatment on gear surface, long service life for these gears. 【More Durable】: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】: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 57T 0.8Mod Slipper & Motor Mount Gear Cover Upgrades Part for 1/10 Granite/Senton/Vorteks 3S BLX & Mega 550:1/8 Infraction/Typhon 3S BLX & Mega 550,Silver