9" Ford - Auburn Grip-N-Loc - 31 Spline 
9" Ford Detroit Locker - 35 Spline 
9″ Ford – Clutch Style Differential With 31 Spline Axles
$589.95 CAD
Application – Ford 9″ with 31 spline axles
Description
31 Spline Posi Unit
A perfect replacement for worn-out OEM clutch differentials
Forged steel halves eliminate breakage common to cast units
See Description Tab below for additional Specifications.
Description
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 True-Trac unit
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
