83-14 Ford F-150 / 94-14 Ford Mustang Yukon Gear & Axle YP MINSF8.8-31 8.8in Mini Spool w/ 31 Spline Axles

The Yukon Gear & Axle YP MINSF8.8-31 8.8in Mini Spool w/ 31 Spline Axles is a low-cost and easy-to-install traction device for your Ford F-150 or Mustang. It locks both axles together, providing 100% power to both wheels at all times. It is ideal for off-road, drag racing, or street performance applications.

Top Features:

  • Steel mini spool, replaces spider gears in open differential
  • Fits Ford 8.8 inch differential with 31 spline axles
  • Provides full-time lockup without affecting steering
  • Easy to install, no special tools or modifications required
  • Compatible with factory or aftermarket ring and pinion gears
  • Limited lifetime warranty and Extended Service Plan

Vehicle Fitment:

  • 1983-2014 Ford F-150
  • 1994-2014 Ford Mustang
  • Engine: Any
  • Axle: Ford 8.8 inch Rear with 31 spline axles

 

SKU: YUKYP MINSF8.8-31
Availability: 10 In Stock
$ 241.89 USD
On-Sale $ 241.89 USD
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UPC: 883584322269
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Yukon Gear & Axle YP MINSF8.8-31 8.8in Mini Spool w/ 31 Spline Axles

Do you want to upgrade your Ford F-150 or Mustang with a low-cost and easy-to-install traction device? If so, you should consider the Yukon Gear & Axle YP MINSF8.8-31 8.8in Mini Spool w/ 31 Spline Axles. This mini spool replaces the spider gears in your open differential and locks both axles together, providing 100% power to both wheels at all times. This is ideal for off-road, drag racing, or street performance applications where maximum traction is desired.

Key Features:

  • Made from high-quality steel for strength and durability
  • Fits Ford 8.8 inch differential with 31 spline axles
  • Provides full-time lockup without affecting steering
  • Easy to install, no special tools or modifications required
  • Compatible with factory or aftermarket ring and pinion gears

Benefits:

  • Increases the performance and handling of your vehicle
  • Eliminates wheel spin and improves acceleration
  • Allows you to run larger tires and more aggressive gears
  • Backed by Yukon’s limited lifetime warranty
  • Covered by Yukon’s Extended Service Plan (Y.E.S.) for no-questions-asked lifetime warranty coverage

Product Specs:

  • Part number: YP MINSF8.8-31
  • Spool type: Mini
  • Spool material: Steel
  • Axle spline count: 31
  • Differential model: Ford 8.8 inch
  • Differential location: Rear
  • Differential type: Open or limited slip
  • ABS compatible: No
  • C-Clip Eliminator Kit Required: No
  • Weight: 5.4 lbs

Install Difficulty Level:

  • Easy
  • Requires basic mechanical skills and tools
  • Estimated install time: 1 hour
  • Refer to the install manual for detailed instructions

Vehicle Fitment:

  • 1983-2014 Ford F-150
  • 1994-2014 Ford Mustang
  • Engine: Any
  • Axle: Ford 8.8 inch Rear with 31 spline axles

If you have any questions about this product or to report product description inaccuracies, contact the MPT Performance experts at (407) 636-7077 or by email.

Shipping Policy

MPT is proud to offer free shipping on most orders over $149.

  • Free shipping applies only to the contiguous United States. Shipping and handling charges will apply to orders outside the contiguous US, and the buyer is responsible for any duty fees or taxes their home country may charge to import goods.
  • With free shipping, we will choose the best shipping method for your order. We use all major carriers, including USPS, FedEx, UPS, and DHL.

Turnaround Times:

  • MPT Tunes have a standard turnaround time of 2-3 business days, beginning once we receive your MPT Tune Form.
  • We do not process orders on weekends or observed holidays, which do not count as business days.
  • Physical items that are in stock at MPT and ordered by 4PM EST will be shipped the same day. Orders placed after 4PM EST will be processed on the following business day.

Special Considerations:

  • Items not stocked at our location will follow the same processing times but may experience lead-time delays and could incur additional charges. Shipping methods may vary for these items based on what was paid and the requested delivery speed. If you need an item by a specific deadline, please contact an MPT Expert.
  • SCT Tuner Orders with the Prioritized Order option must have their tune forms submitted by 3PM EST to be completed the same day. Forms submitted after this time will be processed the next business day.
  • Orders will ship to the billing address listed on your order. If paying by credit or debit card, we can only ship to the billing address. Contact an MPT Expert for assistance if you need a different shipping address.

MPT Performance Returns and Refund Policy

  • A Return Authorization Number (RA #) is required for all returns. Please contact an MPT Expert to obtain an RA# before sending anything back.
  • MPT tuning charges and license fees are non-refundable. The sale is final once MPT has sent the tune file via email, which applies to both new tune purchases and tune updates.

Returnable Products:

  • Products (other than MPT Tunes) may be returned within 30 days as long as they have not been installed and are in brand new, unused condition with original packaging. Installed products are non-refundable. MPT reserves the right to deny a return if the product shows signs of installation or damage.
  • Vehicle programmers/tuners that have loaded a tune onto a vehicle cannot be returned.

Refund Amounts:

  • Returns postmarked within 15 days of receipt will be refunded the purchase price minus the shipping cost MPT paid.
  • Returns postmarked between 16 and 30 days will be refunded the purchase price minus a 25% restocking fee and the shipping cost.
  • After 30 days, all sales are final.

Non-Refundable Items:

  • Shipping charges and any package insurance are non-refundable. If free shipping was applied to your purchase, the actual shipping cost will be subtracted from your refund.
  • HP Tuners Credits are non-refundable once they’ve been assigned to a device’s serial number, which occurs either during the purchase or upon completing the tune form.
  • Digital products like SCT Tuner Unlocks, HP Tuners Credits, or MPT Tunes cannot be refunded.
  • Decals/Stickers are non-refundable once received by the customer.
Year Make Model Submodel
1983-1993 Ford Bronco Custom
1985-1996 Ford Bronco Eddie Bauer
1990-1996 Ford Bronco XL
1983 Ford Bronco XLS
1984-1992,1994-1996 Ford Bronco XLT
1983,1993 Ford Bronco XLT Lariat
1992 Ford Bronco XLT Nite
1995-1996 Ford Bronco XLT Sport
2003-2008,2010-2011 Ford Crown Victoria Base
2006-2009 Ford Crown Victoria Fleet
2003-2009 Ford Crown Victoria LWB
2003-2011 Ford Crown Victoria LX
2004-2006 Ford Crown Victoria LX Sport
2003-2011 Ford Crown Victoria Police Interceptor
2003-2005 Ford Crown Victoria S
2005 Ford Crown Victoria Special Edition
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
1984-1986,1992-2002 Ford E-150 Econoline Base
1983,1987-1991 Ford E-150 Econoline Custom
1983-2000 Ford E-150 Econoline XL
1984-1986 Ford E-150 Econoline Club Wagon Base
1992-2002 Ford E-150 Econoline Club Wagon Chateau
1983,1987-2000 Ford E-150 Econoline Club Wagon Custom
1983-1991,2001-2002 Ford E-150 Econoline Club Wagon XL
1984-2002 Ford E-150 Econoline Club Wagon XLT
1984-1986,1992-1998 Ford E-250 Econoline Base
1983,1987-1991 Ford E-250 Econoline Custom
1983-1998 Ford E-250 Econoline XL
1997-2001 Ford Expedition Eddie Bauer
1997-2001 Ford Expedition XLT
2011 Ford Explorer Base
1991-2001,2005-2009 Ford Explorer Eddie Bauer
1995 Ford Explorer Expedition
1993-2001,2006-2009,2011 Ford Explorer Limited
2000-2001 Ford Explorer Postal
1991-2000 Ford Explorer Sport
1991-1999 Ford Explorer XL
2000-2001 Ford Explorer XL Fleet
1999-2002,2006 Ford Explorer XLS
1991-2001,2006-2011 Ford Explorer XLT
2004 Ford Explorer XLT Sport
2005 Ford Explorer Sport Trac Adrenalin
2001 Ford Explorer Sport Trac Base
2007-2010 Ford Explorer Sport Trac Limited
2002 Ford Explorer Sport Trac XL
2003-2005 Ford Explorer Sport Trac XLS
2003-2005,2007-2010 Ford Explorer Sport Trac XLT
1983-1986,1997-2000 Ford F-150 Base
1987-1992 Ford F-150 Custom
1995-1996 Ford F-150 Eddie Bauer
2007-2008,2010-2014 Ford F-150 FX2
2004-2014 Ford F-150 FX4
2000-2003,2006-2008,2010-2012 Ford F-150 Harley-Davidson Edition
2001-2003,2005-2014 Ford F-150 King Ranch
1997-2014 Ford F-150 Lariat
2011 Ford F-150 Lariat Limited
1993-1995,1999-2003 Ford F-150 Lightning
2008,2013-2014 Ford F-150 Limited
2009-2014 Ford F-150 Platinum
1995-1996 Ford F-150 Special
2004-2014 Ford F-150 STX
2010-2014 Ford F-150 SVT Raptor
2008 Ford F-150 THE 60TH ANNIVERSARY EDITION
1983-2014 Ford F-150 XL
1983 Ford F-150 XLS
1983-1984,1993-2014 Ford F-150 XLT
1985-1992 Ford F-150 XLT Lariat
2004 Ford F-150 Heritage SVT Lightning
2004 Ford F-150 Heritage XL
2004 Ford F-150 Heritage XLT
1979-1980 Ford Granada Base
1979-1980 Ford Granada ESS
1979-1980 Ford Granada Ghia
1981-1982 Ford Granada GL
1981-1982 Ford Granada GLX
1981-1982 Ford Granada L
1979-1986 Ford LTD Base
1983-1986 Ford LTD Brougham
1979-1986 Ford LTD Country Squire
1986 Ford LTD Country Squire LX
1980-1986 Ford LTD Crown Victoria
1986 Ford LTD Crown Victoria LX
1979 Ford LTD Landau
1985 Ford LTD LX Brougham
1980-1982 Ford LTD S
1987-1991 Ford LTD Crown Victoria Base
1987-1991 Ford LTD Crown Victoria LX
1987-1991 Ford LTD Crown Victoria S
1994-2014 Ford Mustang Base
2012-2013 Ford Mustang Boss 302
2008-2009 Ford Mustang Bullitt
1985-2014 Ford Mustang GT
2001 Ford Mustang GT Bullitt
1995 Ford Mustang GTS
1985-1993 Ford Mustang LX
2003-2004 Ford Mustang Mach 1
2007-2008 Ford Mustang Shelby GT
2007-2014 Ford Mustang Shelby GT500
2008-2009 Ford Mustang Shelby GT500KR
1985-1986 Ford Mustang SVO
1993-1999,2001,2003-2004 Ford Mustang SVT Cobra
2003 Ford Mustang SVT Cobra 10th Anniversary
1993,1995,2000 Ford Mustang SVT Cobra R
2001-2005 Ford Ranger Edge
1999-2002 Ford Ranger EV
2005-2009 Ford Ranger FX4
2002 Ford Ranger Postal
2006-2011 Ford Ranger Sport
2005-2007 Ford Ranger STX
2004 Ford Ranger Tremor
1999-2011 Ford Ranger XL
1999-2011 Ford Ranger XLT
1987-1992 Ford Thunderbird Base
1987-1995 Ford Thunderbird LX
1987-1988 Ford Thunderbird Sport
1989-1995 Ford Thunderbird Super Coupe
1987-1988 Ford Thunderbird Turbo
2003-2005 Lincoln Aviator Base
1996 Lincoln Continental Anniversary
1979-1980,1982-1987,1998-2000 Lincoln Continental Base
1995 Lincoln Continental Diamond Anniversary
1982-1987 Lincoln Continental Givenchy
1982,1995 Lincoln Continental Signature
1995-1997 Lincoln Continental Spinnaker Edition
1983-1985 Lincoln Continental Valentino
2006-2008 Lincoln Mark LT Base
1980-1983 Lincoln Mark VI Base
1982-1983 Lincoln Mark VI Bill Blass
1982 Lincoln Mark VI Givenchy
1982-1983 Lincoln Mark VI Pucci
1982-1983 Lincoln Mark VI Signature
1996 Lincoln Mark VIII Anniversary
1993-1995,1997-1998 Lincoln Mark VIII Base
1995-1998 Lincoln Mark VIII LSC
1998-2002 Lincoln Navigator Base
2003 Lincoln Town Car Base
2003 Lincoln Town Car Cartier
2003 Lincoln Town Car Cartier L
2006-2007 Lincoln Town Car Designer Series
2003-2010 Lincoln Town Car Executive
2003-2011 Lincoln Town Car Executive L
2003 Lincoln Town Car Executive Protection Series
2004-2006 Lincoln Town Car Protection Series
2003-2007 Lincoln Town Car Signature
2005-2011 Lincoln Town Car Signature L
2005-2011 Lincoln Town Car Signature Limited
2004 Lincoln Town Car Ultimate
2004 Lincoln Town Car Ultimate L
1994-1996,2002,2005-2007 Mazda B3000 Base
2001-2007 Mazda B3000 DS
1994-1996,1998,2000,2003-2004 Mazda B3000 SE
1998,2000 Mazda B3000 SX
1999-2000 Mazda B3000 Troy Lee
1997,2002-2007 Mazda B4000 Base
2001-2004 Mazda B4000 DS
1994-1996 Mazda B4000 LE
1994-2001,2003-2007 Mazda B4000 SE
2000 Mazda B4000 Troy Lee
1986 Mercury Capri 5.0
1979-1983 Mercury Capri Base
1982-1983 Mercury Capri Black Magic
1983 Mercury Capri Crimson Cat
1979-1980 Mercury Capri Ghia
1981-1986 Mercury Capri GS
1982-1983 Mercury Capri L
1982-1985 Mercury Capri RS
1984 Mercury Capri RS Turbo
1979,1981-1986 Mercury Cougar Base
1982 Mercury Cougar GS
1982-1992 Mercury Cougar LS
1979-1982,1984-1997 Mercury Cougar XR-7
2003-2008 Mercury Grand Marquis GS
2005 Mercury Grand Marquis GSL
2005 Mercury Grand Marquis Limited Edition
2003-2011 Mercury Grand Marquis LS
2003 Mercury Grand Marquis LSE
2005 Mercury Grand Marquis Ultimate Edition
2003-2004 Mercury Marauder Base
1997-2004,2007-2010 Mercury Mountaineer Base
2005-2006 Mercury Mountaineer Convenience
2005-2006 Mercury Mountaineer Luxury
2004-2010 Mercury Mountaineer Premier

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