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Vehicle Info NeededMOTIVE GEARPART NUMBER: 683-F990389SP
Ring & Pinion Gear Ratio: 3.89
$62396
Ships on 09/15/2026
Lowest Price GuaranteeFord 9" Performance
- Ring & Pinion Gear
- Ratio: 3.89
- Teeth: 35-9
Specifications: - 10-Bolt Dropout Cover
- Ring Gear Diameter: 9"
- Pinion Diameter: 1.313" 28-Splines
- 9310 Steel Applications:
- 1955 - 1979 Ford Thunderbird
- 1957 - 1970 Ford Fairlane
- 1957 - 1979 Ford Ranchero
- 1958 - 1979 Lincoln Continental
- 1959 - 1967 Ford Galaxie
- 1962 - 1974 Ford Galaxie 500
- 1963 - 1970 Mercury Marauder
- 1964 - 1977 Mercury Comet
- 1965 - 1973 Ford Mustang
- 1965 - 1979 Ford LTD
- 1966 - 1986 Ford Bronco
- 1967 - 1978 Mercury Marquis
- 1967 - 1979 Mercury Cougar
- 1968 - 1971 Lincoln Mark III
- 1968 - 1976 Ford Torino
- 1968 - 1976 Mercury Montego
- 1969 - 1974 Ford E-200 Econoline
- 1969 - 1983 Ford E-100 Econoline
- 1970 - 1977 Ford Maverick
- 1972 - 1976 Ford Gran Torino
- 1975 - 1978 Mercury Grand Marquis
- 1975 - 1980 Ford Granada
- 1975 - 1983 Ford E-100 Econoline Club Wagon
- 1975 - 1983 Ford F-100
- 1975 - 1986 Ford E-150 Econoline
- 1975 - 1986 Ford E-150 Econoline Club Wagon
- 1975 - 1986 Ford F-150
- 1977 - 1979 Ford LTD II
- 1977 - 1980 Lincoln Versailles
OEM-Quality Ring and Pinions
Motive Gear Ring & Pinion Gears are the differential's critical point of power transfer and one of the easiest performance modifications to complete on a vehicle. Motive's high-quality Ring & Pinion Gears are made from 8620 steel for superior strength and come in a range of ratios, making them excellent factory replacements for both on-street and off-road vehicles.
Part TypeRing and Pinion
Product LineMotive Gear Ring & Pinion Gears
BrandMOTIVE GEAR
Package Height5.25
Package Width11.0
Package Length15.5
Weight20.1 PG
Part CategoryPerformance Parts
Ring Gear RotationStandard
Ring Gear Material9310 Steel
Ring Gear Diameter9 in (228.6 mm)
Ring Gear Tooth Quantity35
Pinion Shaft Diameter1.313 in (33.4 mm)
Pinion Gear Tooth Quantity9
Axle TypeFord 9 in.
Ring Gear Bolt Quantity10
Part FitmentSemi Universal
Cover Bolt QuantityDropout
Pinion Spline Count28
Vendor Part NumberF990389SP
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
