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USA Standard Ring & Pinion Gear Set for GM & Dodge 11.5" AAM 4.88 Ratio

ZG GM11.5-488 - Z
2001 UP GM & Dodge 11.5 AAM Rear Axle
Pricing: $497.89

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USA Standard Ring & Pinion gear set for GM & Chrysler 11.5" Rear in a 4.88 ratio

USA Standard ring & pinion sets are designed to provide a quality and quiet gear set for OEM replacement. USA Standard uses rigorous in-house quality testing and inspections to ensure products pass dimensional, material and fitment testing. USA Standard gears come in OE and aftermarket ratios, providing a wide variety of product to meet the needs of most any installation: from 1948 to present popular vehicle models. USA Standard gears are designed to exceed OEM specification while providing an affordable drivetrain solution. All USA Standard Ring and Pinion Gear Sets come with a standard one year warranty against manufacturing defects.

  • Fits GM and Chrysler 11.5"
  • 11.50" ring gear diameter
  • 30 spline pinion
  • 12 ring gear bolts
  • 4.88 ratio
1 year warranty against Manufacturer defects


  • ZG GM11.5-488 - Z
  • ZG GM11.5-488
  • Z
  • USA Standard Gear
  • New

Shipping Information

  • Item Requires Shipping
  • 36.0 lbs.
  • W14.0000” x H6.0000” x L19.0000”
  • Free Shipping

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