DoctorDiff Drivetrain Components

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8 3/4" 489 Case Crush Sleeve Eliminator

$35.00
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Crush sleeve eliminator kit includes precison machined, solid billet steel pinion bearing spacer and preload shim pack.  Fits 489 casting (last three digits of casting number) 8 3/4" Mopar gears.  Increases differential strength and makes yoke or pinion seal changes a breeze. 

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Ford Motorcraft Friction Modifier for clutch or cone style limited slip differentials
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