3.90 8.5in 10 Bolt GM 49-0034-1

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3.90 8.5in 10 Bolt GM 49-0034-1

3.90 8.5in 10 Bolt GM 49-0034-1

Original price was: $285.59.Current price is: $156.67.

54 in stock

SKU: RIC49-0034-1 Category:

Description

A 3.90 gear ratio delivers the aggressive acceleration and throttle response you need for drag racing, road course competition, or street performance—without sacrificing highway cruising capability. This GM 10-bolt kit comes complete with everything required for installation, eliminating the guesswork of sourcing individual components. Whether you’re chasing ET improvements or maximizing mid-range power delivery, a properly geared differential is foundational to extracting real performance from your engine.

  • 3.90 gear ratio
  • 30 spline pinion
  • GM 10-bolt housing
  • 8.5-inch / 8.625-inch diameter
  • 3 series construction
  • Complete kit assembly
  • Bolt-on installation
  • MPN: 49-0034-1

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