Motive Gear D60-456X Dana 60 Ring and Pinion Set 4.56 Ratio Thick Cut

The Motive Gear D60-456X is a heavy-duty differential ring and pinion gear set designed for the Dana 60 axle, delivering a 4.56:1 gear ratio for serious performance on and off the road. This thick-cut gear set is engineered for use with 4.10 and numerically lower ratio differential carriers, making it an ideal upgrade for towing, rock crawling, and high-demand off-road applications.

Machined from 8620 alloy steel and subjected to a multi-stage heat-treating process, this ring and pinion set provides exceptional surface hardness, core strength, and long-term wear resistance. Each set is precision-manufactured to match OEM dimensions and tolerances for a reliable, straightforward installation.

Key Specifications:

• Axle Application: Dana 60 Standard
• Gear Ratio: 4.56:1
• Gear Cut: Thick (Standard Rotation)
• Carrier Break: 4.10 and numerically lower
• Ring Gear Diameter: 9.75 in.
• Ring Gear Teeth: 41
• Pinion Gear Teeth: 9
• Pinion Shaft Diameter: 1.626 in.
• Pinion Spline Count: 29
• Ring Gear Bolts: 12
• Cover Bolts: 10
• Material: 8620 Steel, Heat Treated
• Sold as: Complete ring and pinion set

Motive Gear is a division of Midwest Truck and Auto Parts and offers one of the broadest selections of ring and pinion ratios in the aftermarket, with options spanning vehicles from the 1940s to present day. All Motive Gear products are validated through an in-house Quality Assurance Lab equipped with precision measurement and testing equipment, ensuring consistent quality that meets or exceeds OEM specifications.

Note: Installation hardware including pinion shims, carrier shims, crush sleeve, pinion seal, pinion nut, ring gear bolts, and bearings are not included. A complete installation kit is recommended for best results.