3.90 Ratio Performance Differential Ring and Pinion for 8.8 (Inch) (10 Bolt)

Motive Gear Performance ring and pinions are perfect for dedicated racing or off-road vehicle. Our gear sets are made from first-run steel, we never use recycled metal. This allows Motive Gear Performance ring and pinions to handle the extreme torque from high horsepower racing engines. Extensive engineering, computer controlled heat treatment, superior strength, quality and the widest selection of racing gear ratios, makes Motive Gear Performance ring and pinions the clear winner! Engineered to the highest standards, every Motive Gear Performance product goes through rigid quality control processes in our in-house lab. Motive Gear Performance: What the pros run!

F888390 Application Notes

Warranty

2 Years or 100,000 Miles

F888390 Specifications

Cover Bolt Quantity 10

Differential Case Design Type Ford 8.8

Pinion Gear Tooth Quantity 11

Pinion Shaft Diameter 1.626 (Inch)

Pinion Spline Count 30

Ring & Pinion Gear Ratio 3.90

Ring Gear Bolt Quantity 10

Ring Gear Diameter 8.8 (Inch)

Ring Gear Material 8620 Steel

Ring Gear Rotation Standard

Ring Gear Tooth Quantity 43

Taxonomy A LD Differential, LD Differential, LD Differential, LD Differential, LD Differential

Taxonomy B Ring and Pinion, Ring and Pinion, Ring and Pinion, Ring and Pinion, Ring and Pinion

Taxonomy C Ford 8.8, Ford 8.8, Ford 8.8, Ford 8.8, Ford 8.8

Taxonomy D Rear, Rear, Rear, Rear, Rear

Where to buy

Vehicle Applications

1994 – 1997 Chevrolet Avondale
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio
1990 – 1997 Ford Aerostar
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio
1983 Ford Bronco
Application notes:
- For Ford 8.8" (10 Bolt)
- Performance Ring and Pinion
- 3.90 Ratio
1984 – 1996 Ford Bronco
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio
1992 – 2010 Ford Crown Victoria
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio
1983 Ford E-100 Econoline
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio
1983 Ford E-100 Econoline Club Wagon
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio
2003 – 2006 Ford E-150
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio
2003 – 2005 Ford E-150 Club Wagon
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio
1983 – 2002 Ford E-150 Econoline
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio
1983 – 2002 Ford E-150 Econoline Club Wagon
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio
1983 – 1988 Ford E-250 Econoline
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio
1983 – 1988 Ford E-250 Econoline Club Wagon
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio
1997 – 2005 Ford Expedition
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio
1991 – 2010 Ford Explorer
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio
2001 – 2003 Ford Explorer Sport
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio
2001 – 2005 Ford Explorer Sport Trac
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio
2007 – 2010 Ford Explorer Sport Trac
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio
1983 – 2014 Ford F-150
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio
2004 Ford F-150 Heritage
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio
1983 – 1992 Ford F-250
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio
1979 – 1986 Ford LTD
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio
1987 – 1991 Ford LTD Crown Victoria
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio
1986 – 2014 Ford Mustang
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio
1985 – 2011 Ford Ranger
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio
1987 – 1997 Ford Thunderbird
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio
2003 – 2005 Lincoln Aviator
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio
1984 – 1992 Lincoln Mark VII
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio
1993 – 1998 Lincoln Mark VIII
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio
1998 – 2002 Lincoln Navigator
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio
1981 – 2002 Lincoln Town Car
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio
2005 – 2011 Lincoln Town Car
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio
1994 – 1997 Mazda B2300
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio
1994 – 2007 Mazda B3000
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio
1994 – 2010 Mazda B4000
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio
1986 Mercury Capri
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio
1988 – 1997 Mercury Cougar
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio
1980 – 2011 Mercury Grand Marquis
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio
2003 – 2004 Mercury Marauder
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio
1997 – 2010 Mercury Mountaineer
Application notes:
- For Ford 8.8" (10 Bolt)
- 3.90 Ratio

Installation

Installation Instructions

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