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9 Inch Currie 3rd Member, with True Trac, 31 Splines, 3.25 Gear Ratio


This all new 9 Inch Currie 3rd Member with TrueTrac Differential with 31 Splines and 3.25 Gear Ratio is fully assembled and tested and ready to install into your 9 inch housing

Make it easy on yourself when putting together your Mustang's 9 inch rear end with this ready to install completely new 9 Inch 3rd Member with high horsepower all gear driven True Track Differential! No used or re-built parts here, this assembly uses ALL NEW components with a strong Nodular Iron Gear Case! See below for product features


Pricing: $1,695.00
FREE SHIPPING on orders *$99 or more

Product Features

This Fully Assembled All-New Currie 3rd Member Assembly Features: 

  • 9+ NODULAR Iron "Sportsman" Gear Case with 3.062" Main Caps, Completely new not rebuilt!
  • 9+ NODULAR Iron Big Bearing High Performance Pinion Support
  • 9+ NODULAR Iron 1330 Series Heavy Duty Short Yoke
  • 9+ NODULAR Iron 31 Spline Limited Slip Gear-Type True Trac Differential
  • NEW Ring and Pinion Gear Set in the Gear Ratio of your Choice
  • High quality gears are precisely Heat-Treated, Honed and Lapped for Ideal Contact Patterns
  • Timken Bearings and Performance Oil Seal Kit
  • Professionally Assembled and Dyno Tested to insure this 3rd member is ready to Install with no additional Assembly!

Peformance Benefits: 

  • Improved Grip and Acceleration with both Wheels providing power to the ground
  • Smoother and better handling through corners with limited slip truetrac type 3rd member
  • Able to handle higher horsepower engines than a stock-type open 3rd Member and differential assembly

Important Install Notes:
NEVER run a synthetic oil in a Currie rearend! See below for recommended install kit with a quality petroleum based oil. 

This 3rd member is designed to only be used in 9 Inch Ford Housings with 31 Spline Axles. Please check you Housing and Spline count on axles before ordering. 

Professional installation of this 3rd Member assembly is recommended. 


Shipping Information

  • Item Requires Shipping
  • 85.0 lbs.
  • W18.0000” x H18.0000” x L18.0000”
  • FREE SHIPPING on orders *$99 or more
  • This item ships in its own box.

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