Eaton Gm 8.5in Truetrac 28spl Front

Eaton Detroit Truetrac Differential

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 with large bearing bores (race O.D. of 3.06"), usually found on vehicles from 1999 to present, bearing LM603049 and race LM603012 are required.

Specifications:

• Axle Shaft Diameter: 1.2"
• Axle Location: Front
• GM 10 Bolt Axle
• Differential Type: Limited Slip (LSD)
• Ring Gear Dia. 8.5"
• Gear Spline Tooth Count: 28 EA
• Ring Gear Size: 8.5"
• Ring Gear Ratio: 2.73 & Up

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