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Ford 9" 40 Spl Steel Spool (2.25" Jrnl) Fits 3.812" Dropout
Ford 9" 40 Spline Steel Spool (2.25" Journal)

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Price: $353.10

Product Code: FSF9-40-2.25

Description Warranty Information

Ford 9"
3 .812" / 40 Spline
Nitro Full Steel Spool

Differential: Ford 9"
Gear Ratio: All
Axle Splines: 40
Ring Gear Bolts: 10 (not included)
Manufacturer: Nitro Gear & Axle
Warranty: 1 Year

Tech note:
2.25" Journals
Use only with 3.812" NPDOF9-BILLET-40 3rd Member Dropout.

Nitro's Spools & Mini spools are the unit of choice for drag racing and hardcore off-road use. The no-frills design of the spool features no moving parts and provides 100% traction to both tires at all times. When traction & strength can not be compromised, Nitro's spools won't let you down. Precision manufactured from the highest quality materials, using state-of-the-art machining & heat treating process.

Nitro Gear and Axle Premium Differential Ring and Pinion Gears, Axles and parts


This product can expose you to chemicals including toluene and benzene, which are known to the State of California to cause cancer and birth defects or other reproductive harm.
For more information go to: www.P65Warnings.ca.gov

  • 100% Traction, 100% of the time.
  • 1 Year Warranty*

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