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Eaton 912A557 - Detroit Truetrac Limited Slip Differential, 28 Spline, 2.73 & Up Ratio for GM 8.5 In. 10 Bolt Front

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SKU:
EDT912A557

Description:

Eaton Detroit TrueTrac limited-slip differential for the GM 8.5 in. 10-bolt axle with 28-spline gears, ratios of 2.73 and higher. All Eaton differentials for GM 8.5 in. and 8.6 in. axles require special bearings: axles with small bearing bores (2.89 in. race O.D.), typically pre-1999, need bearing LM102949 and race LM102911; axles with large bearing bores (3.06 in. race O.D.), typically 1999-2013, need bearing LM603049 and race LM603012. Manual locking hubs are recommended for front axle applications.



Detroit Truetrac brochure

Detroit Truetrac brochure
Eaton Performance brochure

Eaton Performance brochure
Eaton Performance differential application guide

Eaton Performance differential application guide
Differential Limited Warranty and Limitations Statement

Differential Limited Warranty and Limitations Statement
Eaton 912A557 - Detroit Truetrac Limited Slip Differential, 28 Spline, 2.73 & Up Ratio for GM 8.5 In. 10 Bolt Front

Description:

Eaton Detroit TrueTrac limited-slip differential for the GM 8.5 in. 10-bolt axle with 28-spline gears, ratios of 2.73 and higher. All Eaton differentials for GM 8.5 in. and 8.6 in. axles require special bearings: axles with small bearing bores (2.89 in. race O.D.), typically pre-1999, need bearing LM102949 and race LM102911; axles with large bearing bores (3.06 in. race O.D.), typically 1999-2013, need bearing LM603049 and race LM603012. Manual locking hubs are recommended for front axle applications.



Detroit Truetrac brochure

Detroit Truetrac brochure
Eaton Performance brochure

Eaton Performance brochure
Eaton Performance differential application guide

Eaton Performance differential application guide
Differential Limited Warranty and Limitations Statement

Differential Limited Warranty and Limitations Statement
$845.46
Brand:
EATON PERFORMANCE
Weight:
26.72 LBS
Mfr Part Number:
912A557
Product Type:
Differential
Ring gear ratio:
2.73 & up
Gear spline tooth count:
28 EA
Axle shaft diameter:
1.2 in
Ring gear size:
8.5 in
Differential type:
Limited Slip (LSD)
Vehicle usage:
Off-Road: Work Truck / Towing | On Road: Drag Racing | Off-Road: Light Trail / Sand Sports | On Road: Restoration | On Road: Street and Muscle | On Road: Work Truck / Towing | On Road: Circle Track
Catalog Notes:
All Eaton differentials made for General Motors 8.5" and 8.6" axles require special bearings. For axles with small bearing bores (race O.D. or 2.89"), usually found on vehicles prior to 1999, bearing LM102949 and race LM102911 are required. For axles