Nitro Gear & Axle 8.8" 31 Spline Mini Spool

Price $136.67
In-stock. Qty: 10+ available. Item ships in 1-2 business days.
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FORD 8.8" 31 Spline Nitro MINI SPOOL (WITH 7/8" X/PIN)


1983-1996 Ford Bronco

1983-2014 Ford E-150 Van 1/2 Ton

1983-1998 Ford E-250 Van 3/4 Ton

1997-2006 Ford Expedition

1991-1994 Mazda Navajo

1991-2010 Ford Explorer

2001-2010 Ford Explorer Sport Trac

1997-2010 Mercury Mountaineer

2003-2005 Lincoln Aviator

1983-2014 Ford F-150 1/2 Ton

1994-2014 Ford Mustang (Most Mustang used 28 Spline)

2003-2007 Ford Ranger FX4 Level II


*All Nitro Gear & Axle brand products are warrantied to be free of manufacturer defects for the specified period. Warranty requests must be made by the original purchaser and submitted by the dealer purchased from. Any parts sent for warranty consideration must be pre-approved and shipped prepaid freight to our facility with copy of RGA for our inspection & determination. We will not pay for labor, shipping cost, loss of revenue or perishable goods, commercial losses, costs of telephone calls, shipping or general inconvenience. This is our only warranty expressed or implied. Unauthorized warranty returns may be refused. Warranty generally covers MFG defects in material or workmanship. Abuse, overloading, improper lubrication, misuse, commercial or competition use voids warranty. Normal characteristics are not warrantable, such as Gear whine. Minor cosmetic flaws, dings, burrs from shipping or manufacturing, are not considered defect, it is installer responsibility to address these at time of install. Customer is responsible for shipping charges if warranty is granted. Warranty is for the original purchaser/user, is not transferable. Warranty covers one replacement or credit solely at our discretion. Warranty determinations are at our sole discretion.

In addition to the above conditions, see special notes for these products:

Ring & Pinion - Warrantied against manufacturing defects. 2 years from date of purchase. Must provide set-up specs.

Chromoly front Axles, Excalibur Joints, 30/30 Birfield kits - Warrantied against manufacturing defects for the life of the vehicle. These products are also covered for Breakage. The Shaft / joint must be BROKEN. Wear, twisting, bending are not warrantable. Damages caused by failure of other parts are not warrantable, for example broken U-joint (other than Nitro Excalibur) causing damage to Axle ears.

Rear Chromoly Axles - Warrantied against manufacturing defects for 5 years. These products are also covered for Breakage. The Shaft must be BROKEN. Worn, twisted, or bent axles are not warrantable.


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:


Box Weight: 5 lb

Box Dimensions: 1 x 1 x 1 in

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