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Truck and Jeep Parts Home » Drivetrain & Differential » Differentials » Eaton GM 8.5 Inch/8.6 Inch 10 Bolt 30 Spline Limited Slip - 19559-010

Eaton GM 8.5 Inch/8.6 Inch 10 Bolt 30 Spline Limited Slip - 19559-010

Eaton | Part Number: EAT19559-010
Part Number: EAT19559-010
  • Technical Details

    • For Use With 30 Spline Axles
    • For use With 3.08 And Up Gears
    • Will Fit 8.5 10 Bolt When Used With G/235-2021L Master Kit
    • Replaceable Carbon Fiber Clutches
    • All Forged Spider And Side Gears
    • Rebuildable
    • 1998 and earlier with bearing bore of 2.89 inch require bearing LM102949 and LM102911

The Eaton Posi is one of the top performers when it comes to streetable performance form a limited slip differential. The Eaton Posi uses preload Springs with Carbon Fiber clutches and is rebuildable.

Installation instructions are in PDF format. You will need Adobe Reader to view these files.
Download Instructions

Axle LocationAxle LocationAxle TypeAxle TypeFitmentPopular Axle ManufactureDifferential TypeAxle Spline
FrontRearGM 10 Bolt 8.5 InchesGM 10 Bolt 8.6 InchesUniversal FitGMLimited Slip Assembly30 Splines

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Questions & Answers

  • Q:

    I have a 3.73 gear ratio on my 99 chevy z71 4x4 it's a positraction is this the correct differential I would really appreciate if it's not if u would guide me in the right direction thank u
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