The Yukon Gear & Axle YPKGM8.5-P-28 Positraction Spider Gear Kit provides the essential internal components for a complete and proper spider gear replacement in compatible GM 8.5-inch differentials. Manufactured using high-quality materials and proven production techniques, this kit is designed to support dependable operation and extended service life in automotive drivetrain applications.
This replacement kit is engineered for GM 8.5-inch differentials equipped with Yukon Dura Grip or Eaton Positraction units and 28-spline axles. It is not compatible with the factory G80 Gov-Loc Positraction differential. The kit includes the primary spider gear components and hardware required for installation, helping simplify the repair process when replacing worn or damaged internal parts.
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