Everything that you need to Upgrade or Re-Build your Chevy 8.5″ 10-Bolt – 30Spline Application
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BRAND NEW Chevy 8.5″ Yukon Dura-Grip (Clutch) Posi Unit (30 Spline)
BRAND NEW Chevy 8.5″ Ring & Pinion (4.10 / 4.11 Ratio)
BRAND NEW Chevy 8.5″ Master Bearing/Installation Kit