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Product Summary

GM 8.5 Inch 10-Bolt, 28 Axle Splines

  • 1.2 in. Axle Shaft Diameter
  • 8.5 in. Ring Gear Size
  • Limited Slip
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Key Specs

MFG. Part #912A556
BrandEaton Corporation
Axle Splines28
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Need To Know

Quick and Easy Returns

Return Policy

Eaton Corporation 912A556 Details

The Eaton Corporation 912A556 Detroit Truetrac is a limited-slip differential designed for GM 8.5-inch 10-bolt rear ends. It features a 28-spline configuration and supports gear ratios of 2.73 and higher. With an 8.5-inch ring gear size and a 1.2-inch axle shaft diameter, this Truetrac unit enhances traction by automatically directing torque to the wheel with the most grip. Weighing 26.17 pounds, it offers a durable, clutch-free design ideal for both performance driving and daily use, delivering smooth, maintenance-free operation.

  • 1.2 in. Axle Shaft Diameter
  • 8.5 in. Ring Gear Size
  • Limited Slip 

Specs

26.17 lbs

Warranty Information

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Eaton products carry a one-year warranty from the date of purchase against defects in material and workmanship. The use of tires with diameters larger than 35 in. on limited-slip differentials will void this warranty. The use of tires larger than vehicle manufacturer recommendations will void this warranty on ELocker differentials. Differential assemblies must be registered by the consumer directly to Eaton to validate their warranties.

Eaton Corporation 912A556 Specifications

KEY SPECS
MFG. Part #912A556
BrandEaton Corporation
Axle Splines28
GENERAL
Sold in QuantityEach
GTIN Code840379305982

Fitment

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