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Yukon Gear & Axle

Yukon Gear & Axle YG GM8.5-456 High-Performance Ring Pinion Gear Set 4.56 Ratio

Regular price
$203.95
Regular price
$392.00
Sale price
$203.95
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In Stock: 10

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Product Specification:

SKU:YUKYG GM8.5-456

MPN: YG GM8.5-456

UPC: 883584241614

Weight: 18.9 lb

Inventory: 10

Type: Final Drive Gears



Vehicle Fitment

  • 1999-2025 GM 8.5" and 8.6" Rear Axle Vehicles (Silverado 1500, Sierra 1500, Tahoe, Yukon, Suburban 1500, Escalade, 4.56 Ratio)

Features

  • High-performance 4.56 gear ratio for enhanced towing and acceleration
  • Fits GM 8.5" and 8.6" rear axles with 10-bolt ring gear
  • Manufactured from premium high-grade steel for durability
  • Advanced heat treatment for wear resistance and long life
  • Designed for quiet and smooth operation
  • Compatible with standard open differential carriers
  • Includes necessary installation hardware and instructions
  • Backed by Yukon's Y.E.S. Plan lifetime warranty

Specifications

  • Ring Gear Diameter: 8.5 inches
  • Gear Ratio: 4.56
  • Pinion Spline Count: 30
  • Ring Gear Bolt Count: 10
  • Material: High-grade steel
  • Finish: Natural
  • Heat Treatment: Advanced heat treating process
  • Warranty: Yukon Y.E.S. Plan lifetime coverage

Included Components

  • 1x Ring Gear
  • 1x Pinion Gear
  • 1x Pinion Nut
  • 1x Pinion Washer
  • 1x Crush Sleeve
  • 1x Pinion Seal
  • 1x Installation Instructions

Product Description

The Yukon Gear & Axle YG GM8.5-456 is a premium high-performance ring and pinion gear set designed specifically for GM vehicles equipped with 8.5" or 8.6" rear axles. Featuring a 4.56 gear ratio, this set enhances towing capacity, acceleration, and off-road performance while maintaining smooth and quiet operation.

Manufactured from high-grade steel and treated with advanced heat processes, this gear set delivers exceptional durability and longevity. It is engineered for direct bolt-on fitment with GM 10-bolt ring gear axles and standard open carriers. The Yukon Y.E.S. Plan provides lifetime protection, ensuring reliable performance and peace of mind for your vehicle upgrades.

Ideal for GM trucks and SUVs from 1999 through 2025, including Silverado, Sierra, Yukon, Tahoe, and Escalade models, this gear set is perfect for enthusiasts seeking improved drivetrain performance and durability in demanding conditions.

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