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


SKU FSF9-40-2.25
Model # FSF9-40-2.25
Barcode # 9319478674554
Brand Nitro Gear
Shipping Weight 4.5400kg
Shipping Width 0.250m
Shipping Height 0.230m
Shipping Length 0.090m