Application
Ford 9″ with 35 spline axles
Requirements
Aftermarket 3.250″ bore case
Axles with 30 degree pressure angle
Description
Strange 35 Spline S-Trac
This helical gear differential offers smooth and progressive power transfer
Superior design and quality make it ideal for the most abusive Street/Track applications
Features
Torque Biased, Mechanical & Clutchless
• Maximizes traction and acceleration
• Dependable and maintenance free
• Quiet operation
Forged Steel Case Halves
• Heat treated
• Fully machined
• Provides a light, durable, and rigid unit
Internal Gear Pocket Geometry
• Minimizes stress risers
• Increases service life
Dry Film Solid Lubricant Coating
• Applied to thrust surfaces
• Minimizes component wear
9310 Steel Pinion Gears
• Chrome moly material
• Provides the ultimate in torque carrying capacity
Aggressive Gear Helix Angle
• Promotes superior torque bias
• Excels in situations of unequal traction
All Internal Gears Made from 9310 Steel
• Vacuum heat treated for superior strength
• Additionally cold treated to optimize fatigue life and reduce wear
Proven Quality
• Designed, machined, & assembled by Strange
• Materials made in the USA
Gear Lube
DO NOT USE SYNTHETIC GEAR OIL
Will adversely affect unit operation and void warranty
Use Only Petroleum Based 85W-140 Gear Oil
Related Components
S-Series 3.250″ bore case…………. N2206
Pro Iron 3.250″ bore case…………. N1906
Pro HD Alum 3.250″ case kit……… P3203
Side bearings & races……………….. D1590
