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Eaton Posi Differential 28 Spline 1.20in Axle Shaft Diameter 2.73 & Up Ratio Front/Rear 8.5in

SKU: EAT19557-010

Differential Carriers

EAT Posi Diffs...

Eaton Posi Differential 28 Spline 1.20in Axle Shaft Diameter 2.73 & Up Ratio Front/Rear 8.5in

SKU: EAT19557-010

Differential Carriers

EAT Posi Diffs...

A$1,940.69
IN STOCK! Est Ship 4-7 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.
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Description

The Eaton Posi limited-slip differential is the perfect way to control traction in street rods, light duty pickups and all types of tarmac running race cars. Featuring pyrolytic carbon clutches, rebuildable design, net-forged gears for added strength and seamless, automatic operation.

Part Type

Differential Carriers

Data: v4.2 - Upd: 2026-10-17 02:06:02

Features

  • Clutch Type Limited Slip Differential
  • Precision-Forged Gears
  • Prevents Wheel Slip
  • Pyrolytic Carbon Clutch Disc Technology
  • Rebuildable
  • Smooth; Automatic Engagement
  • Tunable via various spring packs [a.k.a. pre-loads]

Specifications

Product Attributes - Brand
EATON
Product Attributes - Quantity
Sold individually.
Product Attributes - Part Type
Differential Carriers
Product Attributes - Cover Bolts
10
Product Attributes - Product Line
Eaton Posi Performance Differentials
Product Attributes - Carrier Material
Steel
Product Attributes - Manufacturer of Axle
GM
Product Attributes - Aftermarket Carrier Style
Clutch-type
Product Attributes - Carrier Bearings Included
No
Product Attributes - Axle Shaft Spline Quantity
28
Product Attributes - Manufacturer's Part Number
19557-010
Product Attributes - Differential Case Design Type
GM 8.5 in.

Reference Information

Brand Name/s Eaton
StreetFX SKU eat19557-010
SFX Item ID 4500302
Supplier Item Code 4500302
Manufacturer SKU 19557-010
Manufacturer UPC N/A
Alternative References etn-19557-010, 1.20in, 8.5in

Brochures

Compatibility

Application Data
  • MakeCHEVROLET
    Beginning Year1970
    Ending Year1989
    Axle LocationRear
  • MakeCHEVROLET
    Beginning Year1977
    Ending Year1991
    Axle LocationFront
    Application NotesManual locking hubs are recommended for 1988-91 2500 series models.
  • MakeGMC
    Beginning Year1970
    Ending Year1989
    Axle LocationRear
  • MakeGMC
    Beginning Year1977
    Ending Year1991
    Axle LocationFront
    Application NotesManual locking hubs are recommended for 1988-91 2500 series models.

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