Hot Racing super duty steel 48P 85T spur gear for 1/10th scale Horizon ECX 2WD vehicles, including the Boost Buggy, Circuit Stadium Truck, Ruckus Monster Truck, and Torment SCT.FEATURES: -Steel construction for total reliability when using high power brushless systems-CNC machined and lightened hardened steel construction-Black oxide coating for durability and corrosion resistance-Compatible with stock slipper assembly-Replaces stock nylon spur gearYOU WILL RECEIVE: -85 tooth 48 pitch steel spur gearSPECIFICATIONS: -Number of Teeth: 85-Gear Pitch: 48 pitch-Tooth Face width: 0.20 inches (5mm)REQUIREMENTS: -Installing in vehicle COMMENTS: - Replaces the stock plastic gear: ECX1076 - 87 tooth, 48 pitch- Must use with appropriate 48 pitch steel pinion gear description revised by: PP January 9, 2017