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GM 8.5/8.6 10 Bolt 3.42 OE Ring & Pinion

40053029,GM8.5-342-OE, GM8.5, GM8.5-, GM8.5-3, GM8.5-342-, gm8.5, gm8.6, chevy, 10 bolt

Original Factory gear for GM 8.5"/8.6" in a 3.42 ratio. OEM gears are recommended for quiet applications where noise may be an issue. Factory gears are the quietest application available on the market and often come at a higher cost. Factory gears come with a one year warranty against defects.
Pricing: $345.00


Tech Note: Accepts ABS tone ring on pinion


  • GM8.5-342-OE
  • GM8.5-342-OE
  • AAM
  • New

Shipping Information

  • Item Requires Shipping
  • 18.0 lbs.