This original differential case set is suitable for WLtoys K989 RC Car. It's a good replacement for RC fans. Its high quality and durableperformance can bring lots of racing joy. It's light and very effective to adjust speed difference between left and right wheels when the car isturning. Definitely best choice for your K989!Features:100% original new.Easy to install and replace the old one.Very effective to adjust speed difference between left and right wheels when the car is turning.Specially suitable for WLtoys K989 RC car.Very light weight and portable to carry.Specifications:Brand name: WLtoysItem name: Differential Case setMaterial: PlasticSuitable for: WLtoys K979 K989 K999RC CarItem dimension: 38 * 30 * 15mmItem weight: 5.2gPackage information:Package size: 10 * 6 * 2cm / 3.9 * 2.4 * 0.8inPackage weight: 12.7g / 0.44ozPoly bag packagePackage list:1 * K989 Differential Case set
