Metal 37T/13T Gear F/R Transmisson Module Set Upgrades Parts for ARRMA 1/10 Big Rock Granite KRATON Outcast SENTON VORTEKS 3S 1/8 Infraction Mojave Typhon 3S, Replacement of # ARA311156(Red)
The Material of The Main Diff Gear 37T & Main Input Gear 13T upgrades is Hard Steel Metal with wear resistance function. The tough molded composite material for long-lasting durability
The New Design of the Upgrades parts is Stronger And More Durable Easy to use,Easy to replace
Package Include:Front & Rear 37T/13T Transmission Module Set