Check the listing for details. Traxxas 9579R Differential Ring and Pinion Gear (TRA9579R). Condition: New. Listed at 49.95 USD. New in package Traxxas 9579R Differential Ring and Pinion Gear (TRA9579R) This is a optional upgraded Traxxas machined front or rear differential ring and pinion gear intended for use with the Traxxas Sledge. Features: Machined Steel 10/43 Gearing Includes: (1) Machined Ring Gear (1) Machined Pinion Gear Vehicle models vary. We DO NOT guarantee this will fit the vehicle specified in this listing!Verify that this item is appropriate for your vehicle. Consult your manual or vehicle manufacturer.Verify vehicle fit-ment before purchase.Returns will only be accepted on items that are returned in new, factory-sealed packaging. Used, damaged (unless damaged when it arrived to you), and opened items will not receive a full refund. Any and all warranty claims will be handled through the manufacturer directly.