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Richmond 8.5-Inch and 8.6-Inch Rear Axle Ring and Pinion Gear Kit; 5.38 Gear Ratio (07-13 Yukon)Find parts that fit my vehicle
Item GY19343
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$356.99
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Product Information
Features, Description, Reviews, Q&A
Features
- For GM 8.5"/8.625" (10 Bolt)
- 5.38 Ratio
- Requires a 2.73 and Numerically Higher Ratio Carrier
- Requires Notched Cross Pin Part# 80-0272-1
- Warranty: 2 Years or 100,000 Miles
- Fits GM 8.5, GM 8.625 Differentials
- Cover Bolt Quantity: 10
- Differential Carrier Break: 2.73 Ratio and Higher
- Differential Case Design Type: GM 8.5, GM 8.625
- Pinion Gear Tooth Quantity: 8
- Pinion Shaft Diameter: 1.626 inch
- Pinion Spline Count: 30
- Position: Front, Rear
- Ring Gear Bolt Quantity: 10
- Ring Gear Material: 8620 Steel
- Ring Gear Outside Diameter: 8.5 inch
- Ring Gear Rotation: Standard
- Ring Gear Tooth Quantity: 43
- Taxonomy A: Ld Differential
- Taxonomy B: Ring and Pinion
- Taxonomy C: Front, Rear
- Taxonomy D: 5.38
Description
High-Performance Gear Kit. The Richmond 8.5-Inch and 8.625-Inch Rear Axle Ring and Pinion Gear Kit with a 5.38 Gear Ratio is engineered to upgrade or replace the ring and pinion gears in GM differentials. This gear ratio is designed to enhance vehicle performance, torque, and speed characteristics necessary for demanding applications such as off-road driving or towing. Correct installation improves drivetrain efficiency and durability.
Construction and Appearance. Manufactured from premium 8620 steel, known for its high strength and wear resistance, these gears provide enduring reliability. The ring gear features a standard rotation with 43 teeth, while the pinion gear has 8 teeth, 30 splines, and mounts on a 1.626-inch diameter shaft, ensuring a robust and long-lasting assembly capable of withstanding heavy use.
Installation. This gear set requires a compatible carrier with a 2.73 ratio or higher and a notched cross pin (Part# 80-0272-1). Installation demands mechanical skill and precise adjustment to ensure optimal performance; no drilling is required.
Warranty. The kit is backed by a 2-year or 100,000-mile warranty, offering assurance in product quality and durability.
Application. Designed to fit GM 8.5 and 8.625 differentials commonly found in various GM models.
Richmond 69-0173-1
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
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