
MOTIVE GEARPART NUMBER: 683-F9.75-489
Ring & Pinion Gears Ratio: 4.89
$35399
Ford 9.75" Street
- Ring & Pinion Gears
- Ratio: 4.89
- Teeth: 39-8
- 8620 Material
- Heat Treated
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 Height5.8
Package Width11.4
Package Length15.4
Weight25.08 PG
Part CategoryPerformance Parts
Ring Gear RotationStandard
Ring Gear Material8620 Steel
Ring Gear Diameter9.75 in (247.7 mm)
Ring Gear Tooth Quantity39
Pinion Shaft Diameter1.97 in (50 mm)
Pinion Gear Tooth Quantity8
Axle TypeFord 9.75 in.
Ring Gear Bolt Quantity12
Part FitmentSemi Universal
Cover Bolt Quantity12
Pinion Spline Count31
Vendor Part NumberF9.75-489
Package Qty1
Package TypeEA
Items You Need
Some parts are not legal for use in California or other states with similar laws / regulations
![Limited Slip Additive [4oz Bottle]](https://www.jegs.com/images/mini_200/500/555/555-60120.jpg)

![75W-90 Multi-Purpose Synthetic Gear Oil [1 Quart]](https://www.jegs.com/images/mini_200/500/555/555-28050.jpg)
![Differential Pinion Depth Tool Setup Kit [Hard Anodized Aluminum Components]](https://www.jegs.com/images/mini_200/500/555/555-81655.jpg)


![Black RTV, Temperature Resistant up to 625 Degrees F [3.8 oz. Tube]](https://www.jegs.com/images/mini_200/500/555/555-28035.jpg)
