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8.2-inch 3.73 posi gear kit – product photo | Northline Parts

8.2" 10-Bolt Posi Gears Bearing Package 3.73 for Chevrolet Bel Air Monte Carlo

SKU: NLT2S01388
$1,287.09 In Stock
$1,287.09
Sale price  $1,287.09 Regular price 
Ships for free in 2–4 business days.
This 8.2-inch 10-bolt differential gear and bearing package is designed for compatible classic Chevrolet rear axles and uses a 3.73 gear ratio. It is intended for a posi-traction rear-end build or overhaul.
Estimated delivery between
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Compatible Models

We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.

Compatible equipment / model
  • Chevrolet Bel Air and Monte Carlo applications equipped with the matching GM 8.2-inch 10-bolt rear axle.

Product Overview

A ring-and-pinion ratio change affects engine speed on the highway and the way a vehicle accelerates. Bearings and setup parts are important because gear mesh and preload determine noise and service life.

Choose this package when rebuilding worn gears or intentionally changing the rear-axle ratio; verify what is actually included before disassembly.

Key Features & Performance

  • 3.73 gear ratio; 8.2-inch 10-bolt application
  • Purpose: A ring-and-pinion ratio change affects engine speed on the highway and the way a vehicle accelerates.
  • Application: Chevrolet Bel Air and Monte Carlo applications equipped with the matching GM 8.2-inch 10-bolt rear axle.

Replaces / Cross-References

Match the part number on your original component and verify the exact vehicle or equipment configuration.

What Is Included

3.73 gear ratio; 8.2-inch 10-bolt application. Check the listing photos for the exact delivered components.

Fitment Notes

Measure the rear axle; GM 8.2, 8.5 and 12-bolt housings do not share the same gear sets. Confirm spline count, carrier-series requirements, and kit contents.

Frequently Asked Questions

What should I check before ordering?

Measure the rear axle; GM 8.2, 8.5 and 12-bolt housings do not share the same gear sets. Confirm spline count, carrier-series requirements, and kit contents.

Is this a genuine OEM part?

No. This listing describes an aftermarket replacement or accessory unless the product is expressly identified as genuine OEM.

Part Summary

Keywords: 8.2-inch 3.73 posi gear kit, 8.2" 10-Bolt Posi Gears Bearing Package 3.73 for Chevrolet Bel Air Monte Carlo, 10-BOLT.

Brand names, model numbers, and reference part numbers are used for identification and compatibility purposes only. Verify the original component, dimensions, and application before purchase.

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