USA Standard Ring & Pinion gear set for GM 8.5″ in a 3.90 ratio – ZG GM8.5-390

Description

USA Standard Gear ring and pinion sets are designed to exceed OEM specification. All sets receive rigorous in-house quality evaluation to ensure products pass dimensional, material, and fitment testing.

  • 10 ring gear bolts
  • 3.90 ratio
  • 30 spline pinion
  • 8.50″ ring gear diameter
  • Fits GM 8.5″ and 8.6″

Additional information

Weight 18.16 lbs
Dimensions 16 × 12 × 6 in
Part Type

Differential Ring and Pinion

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Make Model Year
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