Chevrolet 3.91 axle performance gear kit Installation instructions

The Chevrolet 3.91 Axle Performance Gear Kit is designed for Camaro SS models. This kit allows owners to upgrade their final drive ratio to 3.91. The installation process involves removing the differential and installing the ring and pinion components.

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Chevrolet 3.91 Axle Performance Gear Kit Installation Instructions | Manualzz

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Key features

  • Upgrade final drive ratio to 3.91
  • Designed for Camaro SS models
  • Includes ring and pinion components
  • Requires ECM reprogramming
  • GM-approved installation procedures

Frequently asked questions

This kit is designed for Camaro SS models.

The final drive ratio will be upgraded to 3.91.

The kit includes a ring and pinion gear set, gaskets, seals, bolts, and a limited slip differential oil additive.

ECM reprogramming is required to adjust the vehicle's speedometer reading and ensure proper engine control after the gear ratio change.

GM-approved installation instructions are available in the GM service manuals.
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