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

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…