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Filthy Motorsports: Store > AMC Model 20
AMC Model 20 / AMC 20 / M20 Axle Parts, Gears, and Upgrades

Axle Specifications:
Ring Gear Diameter: 8.875
Diff Cover Bolts: 12
Ring Gear Bolts: 8
Axle Spline Count: 29
Axle Shaft Style: Semi-Floating
C-Clips: No
Crush Sleeve Yes
Pinion Nut: 1-1/8"
Pinion Support: No
Carrier Breaks: 2.73 / 3.08
Dropout Carrier: No

Torque Specifications:
Pinion Preload New: 14 to 19 in-lbs
Pinion Preload Reused: 6 to 8 in-lbs
Ring Gear Backlash: .006" to .010"
Ring Gear Bolt Torque: 65 ft-lbs
Carrier Bearing Caps: 65 ft-lbs

Popular Applications:
Hummer H1 1992 - 2006 F / R
Jeep CJ5 / Cj7 / CJ8 1976 - 1986 Rear
Jeep Wagoneer 1979 - 1986 Rear
Jeep J10 Truck 1976 - 1986 Rear
AMC AMX 1968 - 1970 Rear

Axle Images:


Axle Details
The AMC Model 20 Axle, also known as the AMC 20, M20 and Jeep Model 20 axle can be found under older AMC cars, a handful of CJ model Jeeps, and in IFS and IRS configurations in the military and civilian Hummer H1. It features an 8.875" diameter ring gear with 29 spline axle shafts that are attached via bolts instead of c-clips.

Note: This axle has a Carrier Break and gear changes may require a different carrier or thick gears.
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