ITEM NAME:10pcs RC Car Parts Plastic Gear Accessories Upgrade Parts For Wltoys K989 img *{margin:0;padding:0;.10pcs RC Car Parts Gear DIY Accessories for Wltoys K989 1:28 RC Car. It contains 3pieces Driving Gear Pinion ,2pieces Reduction Gear,4pieces Motor Gear ,1 Set Gearbox Housing. 3 Pieces Driving Gear Pinion.