Eaton HD Clutch Style Differential – 2.73 & Up Fits Chevy 8.5 10 Bolt Rear Ends With 28 Spline Axles

Part Number: R5085

Application
Chevy 8.5 10 Bolt Bolt Rear End
Using a 2.73 or numerically higher gear set

Note
Requires special side bearings & races

Description
Eaton Heavy Duty 28 Spline Posi Unit
A perfect replacement for worn-out OEM clutch differentials

Features
• Heavy duty casting
• Carbon clutch packs
• Net-forged gears
• Smooth automatic operation
• Operates in forward & reverse

Gear Lube
DO NOT USE SYNTHETIC GEAR OIL
Will adversely affect unit operation and void warranty

Use Petroleum Based 80W-90 or 85W-140 Gear Oil
Requires (1) 4 ounce bottle of limited-slip additive

Related Components
Special side bearing kit…………. D1585
Special installation kit…………. R5205-SP
LPW cover……………………… R5201 / R5203