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Home > GM 8.5" 10 Bolt

GM 8.5" 10 Bolt FRONT / Eaton Truetrac / 28 Spline / 912A557

Part Number EAT-912A557
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GM 8.5" 10 Bolt FRONT / Eaton Truetrac / 28 Spline / 912A557
GM 8.5' 10 Bolt FRONT / Eaton Truetrac / 28 Spline / 912A557
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$634.99
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Optional Extra Items Super Carrier Shim Kit (+$19.94)
Carrier Bearings & Races (+$34.95)
Lube Locker Gasket (+$21.95)
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Description
Eaton Model : 912A557

Application: GM 8.5" 10 Bolt Front

Axle Shafts: 28 spline=

Gear Ratios: 2.73 and up

The Eaton Detroit Truetrac is a worm gear style differential that provides constant power to both wheels while allowing for wheel speed differentiation. The design of these units works so well, the US military chose this type of unit as standard equipment on the Hummer H1
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