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$559.99
Ford 9 Inch Third Member Assembly, Full Spool, 31-Spline
Ford 9 Inch Third Member Assembly, Full Spool, 31-Spline

Ford 9 Inch Third Member Assembly, Full Spool, 31-Spline

Ford 9", Grand National, Full Spool Differential Type

15 Reviews | 10 Answered Questions
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Ford 9 Inch Third Member Assembly, Full Spool, 31-Spline
Ford 9 Inch Third Member Assembly, Full Spool, 31-Spline
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Part # 91048343
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Important Messages:

  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.

Details

Differential Type:
Full Spool
Housing Material:
Cast-Iron
Axle Splines:
Select Gear Ratio/Spool to see
Gear Ratio:
Select Gear Ratio/Spool to see
Spool Weight:
Select Gear Ratio/Spool to see
Ring Gear Weight:
Select Gear Ratio/Spool to see
Weight:
77 lbs.
MFG. Part #:
Select Gear Ratio/Spool to see
Sold in Quantity:
Each
Gear Material:
Steel

Info

  • Professionally assembled for oval track racing only
  • Includes Pro Gears ring & pinion
  • Your choice of gear ratio, 3.50:1 to 7.33:1
  • Includes stock Ford yoke
  • Viton high heat pinion seal
  • Solid pinion bearing spacer with shims
  • Plastic storage case
  • Weighs 77.0 lbs

910-48343 Instructions (PDF)

Third members are made to order. Please allow 24-48 hours for order to ship.

Order applicable spool:

  • STD = Standard
  • LITE = Lightweight
  • MEGA = Megalite

Available options include machining of the yoke to accept Chevy/GM U-joint (add 91048339) and lightening of the ring gear to remove weight (add 91600013; 5.37:1, 6.66:1, 6.83:1, 7.00:1 ratios are already lightened).

Notes

NOTE: Circle track racing applications require a minimum of 4 qts. of rearend lube. Using less than this amount will lead to immediate pinion failure.

Warranties

No warranty is offered or made for durability or specific performance. No warranty is offered for commercial, off road, street performance, or racing use.

Some parts are not legal for use in California or other states with similar laws/regulations

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