Tuesday – Friday 8AM – 6 PM               

(520) 327-1747  |   info@westerndiff.com  | 3825 E Kleindale Rd Tucson, AZ 85716

Ford 9" Third Members

All New Ford 9” Third Members

Non-Posi Ford 9" Third Member

  • We Recommend up to 500 HP
  • Strange Nodular 'S' Third Member Case
  • WD Aluminum Daytona Pinion Support
  • New Yoke**
  • 28 or 31 Spline Non-Posi Carrier with All New Inner Gears
  • Your choice of Gear Ratio*
  • All New Timken Bearings, National or Chicago Rawhide seals
  • Solid Pinion Bearing Preload Spacer and Grade 8 Bolts

$1,100.00


 

Posi Ford 9" Third Member

  • We Recommend up to 500 HP
  • Strange Nodular 'S' Third Member Case
  • WD Aluminum Daytona Pinion Support
  • New Yoke**
  • 28 or 31 Spline Steel Billet Tracloc Limited Slip Posi
  • Your choice of Gear Ratio*
  • All New Timken Bearings, National or Chicago Rawhide seals
  • Solid Pinion Bearing Preload Spacer and Grade 8 Bolts

$1,350.00

Posi Ford 9" Third Member Upgrades

  • With 28 or 31 Spline Spool (Drag Race Only) = $1,160.00
  • With 35 Spline Spool (Drag Race Only) = $1,195.00
  • With 28 or 31 Spline TrueTrac = $1,600.00
  • With 35 Spline TrueTrac = $1,765.00
  • With 31 or 35 Spline Detroit Locker (Do Not Recommend for Street) = $1,635.00
  • With 31 Spline Wavetrac = $1,755.00
  • With 35 Spline Wavetrac = $1,755.00
  • With 35 Spline Strange H/D Helical = $1,890.00
  • With 31 Spline ARB RD-119 Air Locker = $2,000.00
  • With 35 Spline ARB RD-99 Air Locker = $2,050.00

Street Rod & Drag Racing Recommendations

*Popular Gear Ratios Available for our Ford 9” Third members are listed below. If you do not see the ratio you would like please contact us at (520) 327-1747
3.00, 3.25, 3.50, 3.55, 3.70, 3.89, 4.11, 4.30, 4.57, 4.86, 5.14, 5.29, 5.43, 5.67, 5.83, 6.00, 6.20, and 6.50
** Yoke Choices are forged 1310, 1330, 1350.
Steel Billet Yokes in 1310 or 1350 = Add $45.00
3.75 Ratio = Add $85.00
Call for Pro Gear ratios and prices.

Posi Ford 9" Third Member High Pinion Upgrade
Call for prices - Options and availability have changed
Currie Enterprises no longer offers a Ford 9" high pinion third member case.


Ford 9" Third Member Rebuild

Send us your Ford 9” Third Member and have Western Differential rebuild to fit your needs with quality parts.

 

Non-Posi Ford 9" Third Member Rebuild

  • Starting with your OEM Case, Yoke and Pinion Support
  • Rebuilt 28 or 31 Spline Carrier with All New Inner Gears
  • Your choice of Gear Ratio*
  • All New Timken Bearings and National or Chicago Rawhide Seals
  • Solid Pinion Bearing Preload Spacer and Grade 8 bolts

Warranty: 12 Months - 12,000 Miles

$850.00


Posi Ford 9" Third Member Rebuild

  • Starting with your OEM Case, Yoke and Pinion Support
  • New 28 or 31 Spline Steel Billet Tracloc Limited-Slip Posi
  • Your choice of Gear Ratio*
  • All New Timken Bearings and National or Chicago Rawhide Seals
  • Solid Pinion Bearing Preload Spacer and Grade 8 bolts

Warranty: 12 Months - 12,000 Miles

$1,050.00


Performance Option

Add a Western Differential Aluminum Daytona Pinion Support which utilizes larger pinion bearings for increased strength.

Bare Pinion Support = $115.00
Pinion Support, Pinion Bearings, Pinion Seal and Solid Spacer Kit = $200.00

Strange Pro Nodular Iron Third Member Case = Add $80.00

Strange HD Pro Aluminum Third Member Case, HD Pro Aluminum Pinion Support and Pinion Bearings (Racing Only) = Add $375.00

Machine Strange HD Pro Aluminum Case to Accept Wavetrac Posi Unit = Add $

Moser Through Bolt Aluminum Case with WD Aluminum Daytona Pinion Support = Add $275.00

Quick Quote