Ring & Pinion Gears Ratio: 3.08
InfoVehicle Info Needed
MOTIVE GEARPART NUMBER: 683-F8.8-308

Ring & Pinion Gears Ratio: 3.08

$26953
ShippingShips on 11/16/2026
Lowest PriceLowest Price Guarantee

Items You Need

Black RTV, Temperature Resistant up to 625 Degrees F [3.8 oz. Tube]

JEGS

Black RTV, Temperature Resistant up to 625 Degrees F [3.8 oz. Tube]

Part Number : 555-28035
$799$8.99
You Save$1.00
Differential Pinion Depth Tool Setup Kit [Hard Anodized Aluminum Components]

JEGS

Differential Pinion Depth Tool Setup Kit [Hard Anodized Aluminum Components]

Part Number : 555-81655
$10199$109.99
You Save$8.00
Adjustable Magnetic Base 110 lb Magnet with On/Off lever

JEGS

Adjustable Magnetic Base 110 lb Magnet with On/Off lever

Part Number : 555-81615
$3299$36.99
You Save$4.00
Marking Compound Kit 1/2 ounce

RICHMOND GEAR

Marking Compound Kit 1/2 ounce

Part Number : 836-35-0007-1
$1196

Ford 8.8"
    Ring & Pinion Gears
  • Ratio: 3.08
  • Teeth: 40-13

    Specifications:

  • Ring Gear Diameter: 8.80"
  • 10-7/16" x 20 Right Hand Threaded Bolts
  • Pinion Diameter: 1.626" 30-Splines
  • No Case Breaks
  • 8620 Material - Heat Treated

    Applications:

  • 1990-97 Aerostar w/4.0L
  • 1983-96 Bronco
  • 1986 Capri V8
  • 1980-97 Cougar
  • 1983-99 E150-E250
  • 1997-On Expedition
  • 1991-On Explorer
  • 1981-90 F100
  • 1981-02 F150-250
  • 1997-02 F150 (F)
  • 1997-On Ford 1/2 Ton (F)
  • 1997-02 Ford 1/2 Ton (R)
  • 1983-On Ford 3/4 Ton (R)
  • 1980-On Full Size Car
  • 1986-On Mustang V8
  • 1983-On Ranger W/4.0L
  • 1987-97 Thunderbird

    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
Weight18.5 PG
Part CategoryPerformance Parts
Ring Gear RotationStandard
Ring Gear Material8620 Steel
Ring Gear Diameter8.8 in (223.5 mm)
Ring Gear Tooth Quantity40
Pinion Shaft Diameter1.626 in (41.3 mm)
Pinion Gear Tooth Quantity13
Axle TypeFord 8.8 in.
Ring Gear Bolt Quantity10
Part FitmentSemi Universal
Cover Bolt Quantity10
Pinion Spline Count30
Vendor Part NumberF8.8-308
Package Qty1
Package TypeEA
Some parts are not legal for use in California or other states with similar laws / regulations
p65 warning