All NEW Ford 9 Inch Third Members, Full Spool, 31-Spline
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Our completely NEW 9" Ford third members start with an aftermarket heavy-duty cast iron carrier featuring a new cast iron Daytona pinion support and larger bearings. Then we use your choice of a standard (8.9 lbs.), lite (6 lbs.) or megalite (5.55 lbs.) steel full spool.
Each is available with your choice of 3.50:1 to 7.33:1 gear ratio ring & pinion. Also includes NEW bearings and Viton high-temperature seals. Professionally assembled for oval track race use and shipped in a re-useable plastic storage case.
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) and lightening of the ring gear to remove weight (add 91600013).
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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Q & A
The Speedway Motors Tech Team created a quick how-to on squaring the front axle of your open wheel race car.