100% brand new and high quality Made of high quality Hard Steel Compact and lightweight design Easy to install and durable for long time use. Part Number:#101215+101216 Part Name: Differential Gear Material: Hard Steel Color: Black Quantity: 2pcs Replacement part for these models: Bullet ST 3.0 STD Bullet MT 3.0 STD Bullet ST Flux STD Bullet MT Flux STD Savage XS Flux GT-2XS STD WR8 3.0 Ford Fiesta Abu Dhabi...STD Bullet ST 3.0 w/ 2.4GHz STD Bullet MT 3.0 w/ 2.4GHz STD RTR Bullet ST Flux W/ 2.4GHz STD Bullet MT Flux w/ 2.4GHz STD WR8 Flux Rally STD Savage XS SS STD Ken Block WR8 with Ford Fiesta H.F...STD Bullet ST 3.0 STD RTR Bullet MT 3.0 w/ 2.4GHz Big foot CAR STD RTR Bullet ST Flux w/ 2.4GHz STD Bullet MT Flux STD WR8 RTR WITH 2013 KB MONSTER FIESTA STD WR8 3.0 RTR contain KEN BLOCK GRC Car shell 2.4GHz STD KEN BLOCK 2014 Ford Fiesta ST RX43 WR8...STD KEN BLOCK Ford Fiesta ST RX43 WR8 3.0 Rally Car STD RS4 SPORT 3 BMW M3 E30STD RS4 SPORT 3 FLUX FALKEN PORSCHESTD RS4 SPORT 3 Subaru BRZSTD RTR Savage XS Ford Raptor SVT STD RS4 Sport 3 2015 Ford Mustang Spec...STD WR8 Flux Ken Block 2015 Ford Fiesta STD WR8 3.0 Ken Block 2015 Ford Fiesta...STD SAVAGE XS FLUX VGJR STD RS4 Sport 3 Drift 2015 Ford Mustang STD RS4 SPORT 3 RTR KEN BLOCK 1965 FORD STD RS4 SPORT 3 Creator Edition STD WR8 FLUX KEN BLOCK GYMKHANA FORD...STD WR8 3.0 KEN BLOCK GYMKHANA FORD...STD Savage XS Flux Chevrolet El Camino...STD RS4 SPORT 3 FLUX FORD GT HERITAGE...STD RS4 SPORT 3 1969 FORD MUSTANG...ST Content:2*RC Car Differential Gear (What you see in the color picture is what you get) Please refer to your instruction for the part number and picture