Installation Time
(approx) a Day
Difficulty Level:
Mechanical expertise or professional installation required.
Installation Guides
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Richmond 8.5-Inch and 8.6-Inch Rear Axle Ring and Pinion Gear Kit; 5.57 Gear Ratio (07-13 Sierra 1500)Find parts that fit my vehicle
Item S502281
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$356.99 pair
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features
- Compatible with GM 8.5"/8.625" (10 Bolt) rear axles
- Gear Ratio: 5.57
- Requires a 2.73 or numerically higher ratio carrier for proper fitment
- Requires Notched Cross Pin Part# 80-0272-1 for installation
- 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: 7
- 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
- Taxonomy A: LD Differential
- Taxonomy B: Ring and Pinion
- Taxonomy C: Front, Rear
- Taxonomy D: 5.57
- Fits 2007-2013 Sierra 1500
Description
High-Performance Gear Set. The Richmond 8.5-Inch and 8.6-Inch Rear Axle Ring and Pinion Gear Kit with a 5.57 gear ratio is engineered to deliver durable and reliable gear reduction for vehicles that demand strong drivetrain components. It is designed to replace or upgrade existing rear axle gear sets to achieve a specific gear ratio, enhancing torque and overall vehicle performance under demanding conditions.
Construction and Appearance. Manufactured from premium 8620 steel known for strength and wear resistance, this ring and pinion set features precision machining and heat treatment to promote longevity and quiet operation. The ring gear diameter measures 8.5 inches and has a standard rotation, with a raw steel finish ready for coating or final assembly.
Installation. Installation requires moderate mechanical skill and must use a 2.73 or numerically higher ratio carrier. A notched cross pin (Part #80-0272-1) is necessary for proper installation without further modifications. Proper setup ensures optimal gear engagement and mesh.
Warranty. This product is backed by a 2-year or 100,000-mile warranty, offering confidence in its quality and durability.
Application. Specifically designed to fit 2007-2013 Sierra 1500 models, this gear set serves as an ideal replacement for vehicles from those model years.
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Richmond 69-0175-1
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Installation & What's in the Box
Installation Info
What's in the Box
- (1) Ring Gear
- (1) Pinion
5.0
Customer Reviews (1)
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