Yukon Gear & Axle

USA Standard Master Overhaul Kit For The GM 8.5 Diff w/ HD Posi or Locker - ZK GM8.5-HD

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SKU:
YUKZK GM8.5-HD
UPC:
883584370574
MPN:
ZK GM8.5-HD
Availability:
Regularly stocked product
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$210.89
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Description

What is the typical lifespan of the bearings in a YUK USA Std Master Overhaul kit?
When installed professionally, Koyo bearings within this overhaul kit offer superior durability, ensuring smooth operation for many miles of driving.

Is professional installation recommended for this differential overhaul kit?
Professional installation is strongly recommended for this differential overhaul kit to ensure precise gear meshing and optimal power transfer.

The YUK USA Std Master Overhaul kit is designed for enthusiasts rebuilding a GM 8.5 rear differential, scoring an 8 for Street Performance. Featuring genuine Koyo bearings and races for superior durability, this kit ensures precise gear meshing. Trust Yukon Gear & Axle for a confident, high-performance drivetrain rebuild.

Key Features

  • carrier bearings and races
  • pinion bearings and races
  • pinion seal
  • complete shim kit
  • ring gear bolts
  • pinion nut
  • crush sleeve
  • thread locker
  • marking compound with brush and gasket
  • Uses Koyo bearings and races
  • Fits GM 8.5 rear with aftermarket Positraction

Why Choose the YUK USA Std Master Overhaul

Delivers smooth, quiet operation for a refined driving experience.

Ensures precise gear meshing for optimal power transfer.

Provides a reliable seal to prevent costly fluid leaks.

Achieves a perfect differential setup for peak performance.

Who Is This For?

Daily Driving Comfort — 7/10
Koyo bearings contribute to smooth operation.

Street Performance — 8/10
Essential for drivetrain integrity and performance.

Weekend Off-Roading — 7/10
Durable components for demanding conditions.

Overlanding / Expedition — 7/10
Reliable drivetrain rebuild for long journeys.

Drag Racing — 6/10
Addresses drivetrain components for power transfer.

Racing Competition — 6/10
Durable Koyo bearings for competitive use.

Additional Resources

Official Yukon Gear & Axle Product Page

Installation Guide (PDF)

Important Notices

⚠️ Proposition 65 Warning: This product can expose you to chemicals including lead and/or other substances known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.

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Additional Information

Clearance Item:
N
MPN:
ZK GM8.5-HD
Proposition 65:
Y
Case Lot Quantity:
1
Category:
Drivetrain>Differential Overhaul Kits
Product Level:
Mid Range
Daily Driving Comfort:
7/10
Street Performance:
8/10
Weekend Off-Roading:
7/10
Overlanding / Expedition:
7/10
Drag Racing:
6/10
Racing Competition:
6/10
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