Yukon YG D60-488T Ring & Pinion Gear Set 4.88 Thick Dana 60 29-Spline Standard

Regular price: $378.95
Regular price: ~~$472.00~~
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Product Specification:

SKU:YUKYG D60-488T

MPN: YG D60-488T

UPC: 883584246053

Weight: 19.6 lb

Inventory: 4

Type: Final Drive Gears

Vehicle Fitment

1961-1988 Chevrolet C20 / K20 / C30 / K30 (RWD/4WD, Dana 60 Standard Rotation Rear Differential)
1975-1991 Chevrolet K30 / K35 (4WD, Dana 60 Standard Rotation Front Differential)
1965-1988 GMC C25 / K25 / C35 / K35 (RWD/4WD, Dana 60 Standard Rotation Rear Differential)
1975-1991 GMC K30 / K35 (4WD, Dana 60 Standard Rotation Front Differential)
1961-2002 Dodge / RAM W200 / W250 / W300 / W350 / 2500 / 3500 (RWD/4WD, Dana 60 Standard Rotation Front or Rear Differential)
1961-1991 Ford F-250 / F-350 (RWD, Dana 60 Standard Rotation Rear Differential)
1969-1988 Jeep J-Series (4WD, Dana 60 Standard Rotation Front or Rear Differential)
Aftermarket Dana 60 standard-rotation housings (custom builds, swaps, and off-road applications)

Fitment Notes

This is a STANDARD ROTATION (low-pinion) gear set - fits standard rotation Dana 60 front and rear applications; will NOT fit the reverse-rotation (high-pinion) Ford Dana 60 front differential
THICK gear set - designed for use with a 4.10 and numerically lower carrier; do NOT use this gear set with a 4.56 and numerically higher carrier (carrier break is 4.10 / 4.56)
29-spline pinion - confirm pinion spline count on your specific housing before ordering; early Dana 60 applications used different spline configurations
GM versions feature passenger-side differential drop and 35-spline axle shafts; Dodge 2nd Gen versions use driver-side drop and 30-spline shafts (32-spline on 2000-2002 models)
The Dana 60 carrier break at 4.10/4.56 means the 4.88 thick gear requires the numerically lower (4.10 and down) carrier - confirm your carrier series before ordering
Professional installation required - Dana 60 setup demands specialized tools and precise preload, backlash, and contact pattern measurements

Features

High-grade steel construction in both ring and pinion for exceptional strength across heavy-duty truck and off-road applications
Precision-engineered gear tooth surface finish reduces friction and heat under sustained high-torque and off-road conditions
Thick ring gear design ensures correct fitment with the 4.10 and numerically lower Dana 60 carrier - direct drop-in with no modification required
Advanced heat-treating process hardens gear surfaces for improved shear strength and long-term wear resistance
Validated through two in-house Yukon quality labs for dimensional accuracy and metallurgical integrity
4.88 ratio delivers strong low-end torque for large tire builds, heavy towing, and demanding off-road terrain
Quiet operation achieved through precision tooth geometry and tight manufacturing tolerances
Backed by Yukon's Y.E.S. Plan - lifetime no-questions-asked coverage for as long as you own the vehicle

Specifications

Part Number: YG D60-488T
Gear Ratio: 4.88
Ring Gear Diameter: 9.75"
Ring Gear Bolt Count: 12
Pinion Spline Count: 29
Gear Type: Thick (fits 4.10 and numerically lower carrier)
Gear Rotation: Standard (Low-Pinion)
Carrier Break: 4.10 / 4.56
Differential Application: Dana Spicer 60 Standard Rotation (Front or Rear)
Position: Front or Rear Axle (depending on application)

Included Components

1x Ring Gear
1x Pinion Gear

Product Description

The Yukon YG D60-488T is a high-performance thick standard-rotation ring and pinion gear set built for the Dana Spicer 60 differential. Used extensively in 3/4-ton and 1-ton trucks from Chevrolet, GMC, Dodge, and Ford from the 1960s through the early 2000s, the Dana 60 is one of the most respected and widely swapped heavy-duty axle platforms in the off-road and truck performance market. The standard rotation (low-pinion) design is found in GM rear axles, Dodge front and rear axles, Ford rear axles, and Jeep applications - as opposed to the high-pinion reverse-rotation design used exclusively in Ford's front Dana 60 front axles.

The "Thick" designation is critical for correct fitment. This gear set is engineered specifically for use with a 4.10 and numerically lower carrier - the Dana 60 carrier breaks at 4.10/4.56, and installing a thick gear into the wrong carrier will result in an incorrect fit. The 4.88 ratio delivers aggressive low-end torque that is well suited for large tire builds, heavy towing setups, and demanding off-road terrain where maximum crawl capability is needed. Yukon engineers this gear set from high-grade steel with a precision-finished tooth profile, and every set is validated through two in-house quality labs.

This gear set features a 29-spline pinion and 9.75" ring gear with 12 ring gear bolts, fitting the full range of standard-rotation Dana 60 applications across multiple OEM platforms and aftermarket housings. Always confirm the rotation direction, carrier series, and spline count on your specific housing before ordering. Professional installation with proper gear setup tools is strongly recommended. Pair with a compatible Yukon master overhaul kit for all necessary bearings, seals, and hardware.