Yukon Gear Mini Spool for Ford 8.8in w/ 31 Spline Axles

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SKU: YUKYP MINSF8.8-31
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Yukon Gear & Axle

Yukon Gear & Axle is the off-road and truck differential expert — gear sets, lockers, axle shafts, and complete axle assemblies for Dana 30, Dana 44, Dana 60, and modern AAM axles. The trusted source for rock-crawler and overland gear changes.

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Yukon Gear Mini Spool for Ford 8.8" Axles (31 Spline)

Enhance your vehicle's traction with the Yukon Gear Mini Spool, specifically designed for Ford 8.8-inch rear ends with 31 spline axles and a 7/8-inch cross pin. This mini spool is an economical solution for achieving full-time lockup, ensuring 100% of power is delivered to both rear wheels simultaneously. It's engineered to install directly into a standard open differential carrier, replacing the spider gears to provide this aggressive traction characteristic.

Key Features and Benefits:

  • Full-Time Traction: Delivers constant power to both rear wheels for maximum grip in off-road or performance driving scenarios.
  • Cost-Effective Upgrade: A budget-friendly alternative to more complex locking differentials.
  • Direct Fit Installation: Designed to fit Ford 8.8-inch differentials with 31 spline axles.
  • Durable Construction: Built to withstand demanding conditions, though not recommended for street use.

Important Considerations:

Due to its nature of locking both wheels together, the Yukon Gear Mini Spool is not recommended for vehicles primarily driven on the street, as it can cause tire scrub and increase drivetrain stress during turns. For vehicles with significantly larger tires or high-horsepower applications, a full spool or a selectable locker might be a more suitable option. This product comes with a one-year warranty against manufacturing defects, offering peace of mind with your purchase.

This mini spool is compatible with a wide range of Ford and Mercury models, including various years of the Bronco, E-250 Econoline, F-150, LTD, and Cougar. Please verify fitment for your specific vehicle.

Get the ultimate traction for your Ford 8.8" differential with this reliable mini spool from Yukon Gear & Axle, available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1983 Ford Bronco XLS
1983 Ford Bronco XLT Lariat
1983-1993 Ford Bronco Custom
1984-1992 Ford Bronco XLT
1985-1996 Ford Bronco Eddie Bauer
1990-1996 Ford Bronco XL
1992 Ford Bronco XLT Nite
1993 Ford Bronco XLT Lariat
1994-1996 Ford Bronco XLT
1995-1996 Ford Bronco XLT Sport
2003-2005 Ford Crown Victoria S
2003-2008 Ford Crown Victoria Base
2003-2009 Ford Crown Victoria LWB
2003-2011 Ford Crown Victoria LX
2003-2011 Ford Crown Victoria Police Interceptor
2004-2006 Ford Crown Victoria LX Sport
2005 Ford Crown Victoria Special Edition
2006-2009 Ford Crown Victoria Fleet
2010-2011 Ford Crown Victoria Base
1983 Ford E-100 Econoline Custom
1983 Ford E-100 Econoline XL
2003-2014 Ford E-150 Base
2006-2007 Ford E-150 Chateau
2006-2014 Ford E-150 XL
2006-2014 Ford E-150 XLT
2003-2005 Ford E-150 Club Wagon Chateau
2003-2005 Ford E-150 Club Wagon XL
2003-2005 Ford E-150 Club Wagon XLT
1983 Ford E-150 Econoline Custom
1983-2000 Ford E-150 Econoline XL
1984-1986 Ford E-150 Econoline Base
1987-1991 Ford E-150 Econoline Custom
1992-2002 Ford E-150 Econoline Base
1983 Ford E-150 Econoline Club Wagon Custom
1983-1991 Ford E-150 Econoline Club Wagon XL
1984-1986 Ford E-150 Econoline Club Wagon Base
1984-2002 Ford E-150 Econoline Club Wagon XLT
1987-2000 Ford E-150 Econoline Club Wagon Custom
1992-2002 Ford E-150 Econoline Club Wagon Chateau
2001-2002 Ford E-150 Econoline Club Wagon XL
1983 Ford E-250 Econoline Custom
1983-1998 Ford E-250 Econoline XL
1984-1986 Ford E-250 Econoline Base
1987-1991 Ford E-250 Econoline Custom
1992-1998 Ford E-250 Econoline Base
1997-2001 Ford Expedition Eddie Bauer
1997-2001 Ford Expedition XLT
1991-1999 Ford Explorer XL
1991-2000 Ford Explorer Sport
1991-2001 Ford Explorer XLT
1991-2001 Ford Explorer Eddie Bauer
1993-2001 Ford Explorer Limited
1995 Ford Explorer Expedition
1999-2002 Ford Explorer XLS
2000-2001 Ford Explorer XL Fleet
2000-2001 Ford Explorer Postal
2004 Ford Explorer XLT Sport
2005-2009 Ford Explorer Eddie Bauer
2006 Ford Explorer XLS
2006-2009 Ford Explorer Limited

…and 171 additional fitments. Contact us to confirm yours.

Product Details

Product Description
Part Numbers
Sizing & Fit

About Yukon Gear & Axle

Yukon Gear & Axle is the off-road and truck differential expert — gear sets, lockers, axle shafts, and complete axle assemblies for Dana 30, Dana 44, Dana 60, and modern AAM axles. The trusted source for rock-crawler and overland gear changes.

Watch in action

Yukon Gear Mini Spool for Ford 8.8" Axles (31 Spline)

Enhance your vehicle's traction with the Yukon Gear Mini Spool, specifically designed for Ford 8.8-inch rear ends with 31 spline axles and a 7/8-inch cross pin. This mini spool is an economical solution for achieving full-time lockup, ensuring 100% of power is delivered to both rear wheels simultaneously. It's engineered to install directly into a standard open differential carrier, replacing the spider gears to provide this aggressive traction characteristic.

Key Features and Benefits:

  • Full-Time Traction: Delivers constant power to both rear wheels for maximum grip in off-road or performance driving scenarios.
  • Cost-Effective Upgrade: A budget-friendly alternative to more complex locking differentials.
  • Direct Fit Installation: Designed to fit Ford 8.8-inch differentials with 31 spline axles.
  • Durable Construction: Built to withstand demanding conditions, though not recommended for street use.

Important Considerations:

Due to its nature of locking both wheels together, the Yukon Gear Mini Spool is not recommended for vehicles primarily driven on the street, as it can cause tire scrub and increase drivetrain stress during turns. For vehicles with significantly larger tires or high-horsepower applications, a full spool or a selectable locker might be a more suitable option. This product comes with a one-year warranty against manufacturing defects, offering peace of mind with your purchase.

This mini spool is compatible with a wide range of Ford and Mercury models, including various years of the Bronco, E-250 Econoline, F-150, LTD, and Cougar. Please verify fitment for your specific vehicle.

Get the ultimate traction for your Ford 8.8" differential with this reliable mini spool from Yukon Gear & Axle, available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1983 Ford Bronco XLS
1983 Ford Bronco XLT Lariat
1983-1993 Ford Bronco Custom
1984-1992 Ford Bronco XLT
1985-1996 Ford Bronco Eddie Bauer
1990-1996 Ford Bronco XL
1992 Ford Bronco XLT Nite
1993 Ford Bronco XLT Lariat
1994-1996 Ford Bronco XLT
1995-1996 Ford Bronco XLT Sport
2003-2005 Ford Crown Victoria S
2003-2008 Ford Crown Victoria Base
2003-2009 Ford Crown Victoria LWB
2003-2011 Ford Crown Victoria LX
2003-2011 Ford Crown Victoria Police Interceptor
2004-2006 Ford Crown Victoria LX Sport
2005 Ford Crown Victoria Special Edition
2006-2009 Ford Crown Victoria Fleet
2010-2011 Ford Crown Victoria Base
1983 Ford E-100 Econoline Custom
1983 Ford E-100 Econoline XL
2003-2014 Ford E-150 Base
2006-2007 Ford E-150 Chateau
2006-2014 Ford E-150 XL
2006-2014 Ford E-150 XLT
2003-2005 Ford E-150 Club Wagon Chateau
2003-2005 Ford E-150 Club Wagon XL
2003-2005 Ford E-150 Club Wagon XLT
1983 Ford E-150 Econoline Custom
1983-2000 Ford E-150 Econoline XL
1984-1986 Ford E-150 Econoline Base
1987-1991 Ford E-150 Econoline Custom
1992-2002 Ford E-150 Econoline Base
1983 Ford E-150 Econoline Club Wagon Custom
1983-1991 Ford E-150 Econoline Club Wagon XL
1984-1986 Ford E-150 Econoline Club Wagon Base
1984-2002 Ford E-150 Econoline Club Wagon XLT
1987-2000 Ford E-150 Econoline Club Wagon Custom
1992-2002 Ford E-150 Econoline Club Wagon Chateau
2001-2002 Ford E-150 Econoline Club Wagon XL
1983 Ford E-250 Econoline Custom
1983-1998 Ford E-250 Econoline XL
1984-1986 Ford E-250 Econoline Base
1987-1991 Ford E-250 Econoline Custom
1992-1998 Ford E-250 Econoline Base
1997-2001 Ford Expedition Eddie Bauer
1997-2001 Ford Expedition XLT
1991-1999 Ford Explorer XL
1991-2000 Ford Explorer Sport
1991-2001 Ford Explorer XLT
1991-2001 Ford Explorer Eddie Bauer
1993-2001 Ford Explorer Limited
1995 Ford Explorer Expedition
1999-2002 Ford Explorer XLS
2000-2001 Ford Explorer XL Fleet
2000-2001 Ford Explorer Postal
2004 Ford Explorer XLT Sport
2005-2009 Ford Explorer Eddie Bauer
2006 Ford Explorer XLS
2006-2009 Ford Explorer Limited

…and 171 additional fitments. Contact us to confirm yours.

Product Details

Product Description

About Yukon Gear & Axle

Yukon Gear & Axle is the off-road and truck differential expert — gear sets, lockers, axle shafts, and complete axle assemblies for Dana 30, Dana 44, Dana 60, and modern AAM axles. The trusted source for rock-crawler and overland gear changes.

Watch in action

Yukon Gear Mini Spool for Ford 8.8" Axles (31 Spline)

Enhance your vehicle's traction with the Yukon Gear Mini Spool, specifically designed for Ford 8.8-inch rear ends with 31 spline axles and a 7/8-inch cross pin. This mini spool is an economical solution for achieving full-time lockup, ensuring 100% of power is delivered to both rear wheels simultaneously. It's engineered to install directly into a standard open differential carrier, replacing the spider gears to provide this aggressive traction characteristic.

Key Features and Benefits:

  • Full-Time Traction: Delivers constant power to both rear wheels for maximum grip in off-road or performance driving scenarios.
  • Cost-Effective Upgrade: A budget-friendly alternative to more complex locking differentials.
  • Direct Fit Installation: Designed to fit Ford 8.8-inch differentials with 31 spline axles.
  • Durable Construction: Built to withstand demanding conditions, though not recommended for street use.

Important Considerations:

Due to its nature of locking both wheels together, the Yukon Gear Mini Spool is not recommended for vehicles primarily driven on the street, as it can cause tire scrub and increase drivetrain stress during turns. For vehicles with significantly larger tires or high-horsepower applications, a full spool or a selectable locker might be a more suitable option. This product comes with a one-year warranty against manufacturing defects, offering peace of mind with your purchase.

This mini spool is compatible with a wide range of Ford and Mercury models, including various years of the Bronco, E-250 Econoline, F-150, LTD, and Cougar. Please verify fitment for your specific vehicle.

Get the ultimate traction for your Ford 8.8" differential with this reliable mini spool from Yukon Gear & Axle, available at GGCRACING.

Vehicle Fitment

Years Make Model Trim
1983 Ford Bronco XLS
1983 Ford Bronco XLT Lariat
1983-1993 Ford Bronco Custom
1984-1992 Ford Bronco XLT
1985-1996 Ford Bronco Eddie Bauer
1990-1996 Ford Bronco XL
1992 Ford Bronco XLT Nite
1993 Ford Bronco XLT Lariat
1994-1996 Ford Bronco XLT
1995-1996 Ford Bronco XLT Sport
2003-2005 Ford Crown Victoria S
2003-2008 Ford Crown Victoria Base
2003-2009 Ford Crown Victoria LWB
2003-2011 Ford Crown Victoria LX
2003-2011 Ford Crown Victoria Police Interceptor
2004-2006 Ford Crown Victoria LX Sport
2005 Ford Crown Victoria Special Edition
2006-2009 Ford Crown Victoria Fleet
2010-2011 Ford Crown Victoria Base
1983 Ford E-100 Econoline Custom
1983 Ford E-100 Econoline XL
2003-2014 Ford E-150 Base
2006-2007 Ford E-150 Chateau
2006-2014 Ford E-150 XL
2006-2014 Ford E-150 XLT
2003-2005 Ford E-150 Club Wagon Chateau
2003-2005 Ford E-150 Club Wagon XL
2003-2005 Ford E-150 Club Wagon XLT
1983 Ford E-150 Econoline Custom
1983-2000 Ford E-150 Econoline XL
1984-1986 Ford E-150 Econoline Base
1987-1991 Ford E-150 Econoline Custom
1992-2002 Ford E-150 Econoline Base
1983 Ford E-150 Econoline Club Wagon Custom
1983-1991 Ford E-150 Econoline Club Wagon XL
1984-1986 Ford E-150 Econoline Club Wagon Base
1984-2002 Ford E-150 Econoline Club Wagon XLT
1987-2000 Ford E-150 Econoline Club Wagon Custom
1992-2002 Ford E-150 Econoline Club Wagon Chateau
2001-2002 Ford E-150 Econoline Club Wagon XL
1983 Ford E-250 Econoline Custom
1983-1998 Ford E-250 Econoline XL
1984-1986 Ford E-250 Econoline Base
1987-1991 Ford E-250 Econoline Custom
1992-1998 Ford E-250 Econoline Base
1997-2001 Ford Expedition Eddie Bauer
1997-2001 Ford Expedition XLT
1991-1999 Ford Explorer XL
1991-2000 Ford Explorer Sport
1991-2001 Ford Explorer XLT
1991-2001 Ford Explorer Eddie Bauer
1993-2001 Ford Explorer Limited
1995 Ford Explorer Expedition
1999-2002 Ford Explorer XLS
2000-2001 Ford Explorer XL Fleet
2000-2001 Ford Explorer Postal
2004 Ford Explorer XLT Sport
2005-2009 Ford Explorer Eddie Bauer
2006 Ford Explorer XLS
2006-2009 Ford Explorer Limited

…and 171 additional fitments. Contact us to confirm yours.

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