Get the Best Performance with Curt Jack Replacement Part Male Weld-On Pipe For 9/16 in. Pin Hole Pipe Mount Swivel Trailer Jacks 28931 parts at . Shop Now at the Guaranteed Lowest Price Warranty: 1 Year or 50,000 Miles Ford F-450: 1999-2016 Super Duty Revolution Gear & Axle: D60-513RT Ring Gear Material: 8620 Steel Pinion Shaft Diameter: 1.626 Inches Pinion Spline Count: 29 Carrier Break: Requires 4.10 Ratio or Lower Ideal for Ford F-Series trucks from 1978-2016. Key Features/Specifications: Gear Ratio: 5.13 Nitro Gear & Axle: D60R-513R-T-NG Yukon High Performance Short Reverse Ring & Pinion Gear Set for 2017 Rack And Pinion Gear Set Motive Gea D60-513XF Motive Gea Ing And Pinion Sets Ring Pinion Short Description: The Motive Gear D60-513XF Ring & Pinion delivers a 5.13 gear ratio for Dana 60 Reverse differentials, specifically designed for front applications. Differential Model: Dana 60 Reverse Ring Gear Diameter: 9.75 Inches Street or Off-Road Use Ratio: 5.13 Dana 60 standard rotation ring and pinion. Motive Gear Ring and Pinion gears are the differential's critical point of power transfer. Motive Gear Ring and... EXCEL from Richmond: D60513RT Experienced installers know Motive Gear and trust us for the best quality and value for OEM replacement Ring and Pinions Ford F-550: 1999-2016 Super Duty