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31 Spline helical gear differential that offers smooth power transfer
Features
Torque Biased Mechanical Unit
• Helical gear design
• Smooth, automatic operation
• Clutchless & maintenance free
• Operates in forward & reverse
Gear Lube
DO NOT USE SYNTHETIC GEAR OIL
Will adversely affect unit operation
Use Only Petroleum Based 80W-90 or 85W-140 Gear Oil
Ford 9″ with 31 spline axles
Eaton 31 Spline Detroit Locker
A very strong mechanical differential
See Description Tab below for additional Specifications.
Application – Ford 9″ with 35 spline axles
Description
Eaton 35 Spline Detroit Truetrac
A helical gear differential that offers smooth power transfer
See Description Tab below for additional Specifications.
Ford 9″ with 35 spline axles.
See Description Tab below for additional Specifications.
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
Strange 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.
Fits Ford 9″ with 31 spline axles.
Auburn Gear’s most advanced limited slip differential, the Grip-N-Loc®. It builds upon exclusive technologies previously found in our limited slip line, but is even more robust to satisfy the extreme demands of serious drivers. If you push the limits of performance and traction, perhaps through competition, or simply through extreme weather driving, Grip-N-Loc® is your best choice.
See Description Tab below for additional Specifications.
Application – Ford 8.8″ with 35 spline axles
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
See Description Tab below for additional Specifications.
Application – Ford 8.8″ with 31 spline axles
Description
Eaton 31 Spline Detroit Truetrac
A helical gear differential that offers smooth power transfer
See Description Tab below for additional Specifications
Application – Ford 8.8 with 31 spline axles
Description
Eaton Heavy Duty 31 Spline Posi Unit
A perfect replacement for worn-out OEM clutch differentials
See Description Tab below for additional Specifications.
Application – Ford 8.8 with 31 spline axles
Description
Eaton 31 Spline Detroit Locker
A very strong mechanical differential
See Description Tab below for additional Specifications.
Fits Ford 8.8″ with 31 spline axles.
Auburn Gear’s most advanced limited slip differential, the Grip-N-Loc®. It builds upon exclusive technologies previously found in our limited slip line, but is even more robust to satisfy the extreme demands of serious drivers. If you push the limits of performance and traction, perhaps through competition, or simply through extreme weather driving, Grip-N-Loc® is your best choice.
See Description Tab below for additional Specifications.
Fits Mopar 8 3/4″ with 30 spline axles.
Auburn Gear’s most advanced limited slip differential, the Grip-N-Loc®. It builds upon exclusive technologies previously found in our limited slip line, but is even more robust to satisfy the extreme demands of serious drivers. If you push the limits of performance and traction, perhaps through competition, or simply through extreme weather driving, Grip-N-Loc® is your best choice.
See Description Tab below for additional Specifications.
Application – Mopar 8 3/4″ with 30 spline axles
Description
Eaton 30 Spline Detroit Truetrac
A helical gear differential that offers smooth power transfer
See Description Tab for additional Specifications.
Model/Style:Â GM 8.5, GM 8.625, GM 8.5, GM 8.625, GM 8.5, GM 8.625
Details:Â Front or Rear, Front or Rear, Front or Rear
Cover Bolt Quantity:Â 10
Differential Carrier Break:Â 2.73 Ratio and Higher
Differential Case Design Type: GM 8.5, GM 8.625
Pinion Shaft Diameter:Â 1.626 (Inch)
Pinion Spline Count:Â 30
Ring Gear Bolt Quantity:Â 10
Ring Gear Diameter:Â 8.5 (Inch)
Ring Gear Material:Â 8620 Steel
Ring Gear Rotation: Standard
All Spicer ring and pinion gears are designed and tested to meet original equipment specifications. When you purchase genuine Spicer ring and pinion gear sets, you can be confident the ring and pinion set will meet or exceed the exact Dana standards that original equipment manufacturers have relied upon for more than a hundred years.