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Hoosier Clutch Style Differential Fits 9" Ford With 31 Spline Axles

$425.00

Part Number: N1970H

Application – Ford 9″ with 31 spline axles

Description
Hoosier 31 Spline Posi Unit
A perfect replacement for worn-out OEM clutch differentials
Forged steel halves eliminate breakage common to cast units

Features
Forged Steel Case Halves
• Heat treated
• Fully machined
• Provides a light, durable, and rigid unit

Note
This is intended as a factory replacement
For high output vehicles, consider options below

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
Strange clutch style…………… N1970F
Eaton Truetrac…………………… N1979
Eaton Detroit Locker………….. N1971

S-Series case……………………… N2205
Pro Iron case……………………… N1905
HD Pro Alum case kit…………. P3200

Side bearings & races….. D1586 / D1588

Alloy axle package……….. P3102 / P3104

Description

Ford 9″ 31 spline Hoosier Gear forged clutch style posi-unit

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