Ring & Pinion Gears AMC Model 20
InfoVehicle Info Needed
MOTIVE GEARPART NUMBER: 683-AM20-456

Ring & Pinion Gears AMC Model 20

$44550
ShippingShips on 09/14/2026
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AMC Model 20
    Ring & Pinion Gears
  • AMC Model 20
  • Ratio: 4.56
  • Teeth: 41-9
  • OEM #: 8124410

    Specifications:

  • Ring Gear Diameter: 8.875"
  • 8- 7/16" x 20 Right Hand Threaded Bolts
  • Pinion Diameter: 1.625" 28-Splines
  • Cases: 2.73 & Numerically Lower; 3.08 & Numerically Higher
  • 8620 Material - Heat Treated

    Applications:

  • 1968-74 Ambassador
  • 1968-79 AMX
  • 1978-79 Concord
  • 1970-76 Gremlin V8
  • 1973-77 Hornet V8
  • 1980-86 J10
  • 1970-74 Javelin V8
  • 1974-86 Jeep CJ
  • 1969 Marlin
  • 1972-78 Matador
  • 1978-79 Pacer V8
  • 1969 Rambler
  • 1969 Rebel
  • 1976-86 Scrambler
  • 1979 Spirit V8
  • 1979-86 Wagoneer

    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 Height5.4
Package Width11.2
Package Length14.9
Weight17.11 PG
Part CategoryPerformance Parts
Ring Gear RotationStandard
Ring Gear Tooth Quantity41
Differential Carrier Break3.08 and Higher
Cover Bolt Quantity12
Pinion Spline Count28
Ring Gear Material8620 Steel
Ring Gear Diameter8.875 in (225.4 mm)
Pinion Shaft Diameter1.625 in (41.3 mm)
Pinion Gear Tooth Quantity9
Axle TypeAMC 20
Ring Gear Bolt Quantity8
Part FitmentSemi Universal
Vendor Part NumberAM20-456
Package Qty1
Package TypeEA
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