Ford 9 Inch Third Member Assembly, Mini Spool, 31-Spline
- Profesionally assembled for oval track racing only
- Pro Gears ring & pinion
- Your choice of gear ratio, 3.50:1 to 7.33:1
- 31-spline premium mini spool
- New chromoly cross pin
- Viton high heat pinion seal
- Solid pinion bearing spacer with shims
- Weighs 83.25 lbs
910-48341 Instructions (PDF)
Third members are made to order. Please allow 24-48 hours for order to ship.
Available options include a yoke to accept 3 1/4" Chevy/GM U-joint (add 91048339) or lightening of the ring gear to remove weight (add 91600013; ratios 4.78, 5.25, 5.37, 5.50, 5.57, 6.14, 6.66, 6.83, 7.00, 7.16, and 7.33 are already lightened). The letter "L" behind a ratio also indicates the availability of a lightened ratio.
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.
No warranty is offered or made for durability or specific performance. No warranty is offered for commercial, off road, street performance, or racing use.
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