
We offer a complete line of AMC 20 rear end ring and pinion sets plus differential parts, use in the following applications:
AMC 20 Ring and Pinion AMC passenger cars starting in 1968 AMX, Concord, Gremlin, Hornet, Javelin, J10, Matador, Pacer, Scrambler and Spirit
AMC 20 Ring and Pinion Jeep J10 1980 1986
Below you will find information on specific vehicles applications that AMC20 differentials were used in, specifications on AMC20 differentials. Ratios that are available for AMC20, ring and pinion ratio's part numbers and tooth counts, ring and pinion cost, differential parts and positractions for AMC20.
You can purchase high quality ring and pinion sets in various ratios, high quality rear end bearing overhaul kits including pinion bearings, pinion seal, crush sleeve, pinion nut, shims, ring gear bolts, marking compound and gasket. We are able to supply axles, bearing overhaul kits, carriers, cases, spider and side gears. Positraction units we offer include Lockrights & No-Slip by Powertrax, Auburn, Detroit Lockers, Trac Loc and ARB air lockers. Don't see what you need just give the experts a call toll free 800-216-1632 and let us help you save some money.
AMC 20 Free Technical Support Be Sure you get the correct parts the first time. Call 800-216-1632
Along with our quality parts you have access to applications information for available ring and pinion ratios, information to assist you in identification of the differential that you have. Free information on ring and pinion installation is provided alone with specifications and carrier/case breaks when you are considering gear ratio changes. You can review applications available to assist you with selection of the specific positraction unit that you may need to improve your performance.
Applications
Model |
Year
|
|
Model |
Year
|
Ambassador |
68-74
|
|
J10 |
80-86
|
AMX |
68-79
|
|
Matador |
72-78
|
Concord |
78-79
|
|
Pacer V8 |
78-79
|
Germlin V8 |
70-76
|
|
Scrambler |
76-78
|
Hornet V8 |
73-77
|
|
Spirit V8 |
79
|
Javelin V8 |
70-74
|
|
Wagoneer |
79-86
|
|
|
AMC 20 4.10 Rear End Ratio great for extra power!
SPECIFICATIONS:
|
10-1/32" X 10-25/64" 12 HOLES ROUND Gasket Pattern
|
- RG DIAMETER 8.875"
- 8 7/16" X 20 RH THREADED BOLTS
- PINION DIAMETER 1.625" 28 SPLINE
CASE: 2.73 & NUMERICALLY LOWER AND 3.08 & NUMERICALLY HIGHER
-
8620 Material Heat-Treated
-
Specifications:
- Cover Bolt Ft. Lbs. 15
- Pinion Brg. Preload In. Lbs 15-25
- Ring Gear Backlash .005-.009
- Ring Gear Bolt to case Ft. Lbs. 105
- Side Brg. Caps Ft. Lbs. 87
Instructions for setting up ring and pinion backlash.
|
Ring and Pinion Sets AMC20
Part # |
OEM#
|
R&P Jobber Price
|
Order high performance synthetic oil and friction additive combo kit at time of order for ring and pinion or bearing overhaul kit and pay only $49.95 plus S&H, a $54.00 value.
Quality guaranteed performance
Your gears run cooler and last longer!
|
AM20-273 |
8132699
|
$290.00 *
|
AM20-308 |
8130388
|
$281.00 *
|
AM20-331 |
8132700
|
$212.62
|
AM20-354 |
4486825
|
$212.62
|
AM20-373 |
8133179
|
$212.62
|
AM20-410 |
8127072
|
$212.62
|
AM20-456 |
8124410
|
$212.62
|
AM20-488 |
|
$212.62
|
Bearing Kits, these high quality Kit's include pinion bearings, carrier bearings pinion bearing seal, gasket, pinion and carrier shims, pinion nut, marking compound, crush sleeve and ring gear bolts |
|
Rear End AMC20 Differential Parts
Description
|
Part Number
|
Price
|
AMC 20 Rear End Bearing Overhaul Kit
|
Installation Kit (no bearings) |
25-2025
|
$ 48.75
|
Overhaul Kit with bearings |
BK20
|
214.94
|
|
|
|
|
Posi-Clutch Replacement Kit |
DTS706361X
|
$58.98
|
|
Evolution Series Axle Kits |
|
|

Call 800-216-1632 we can help
TOUGH!
- Induction Hardened
- Rolled Splines
- Kits Complete with Studs, Bearings and Seals
|
Single Piece Axle Kit 1981 and earlier |
EV20E
|
$299.98
|
*Single Piece Axle Kit 1983 and later |
EV20L
|
$299.98
|
Single Piece Axle Kit Quadratrack |
EV20Q
|
$299.98
|
Axle Bearing, Seal Kit & Retainer (single axle only) |
EV20K
|
$49.58
|
*1982 Crossover year provide measurements to be sure |
|
|
Positraction Differential Assembly AMC20 Options
Description
|
Part Number
|
Your Price
|
RING GEAR AND PINION 

Technical Expert with over 30 years experience, give him a call 800-216-1632 he can help you and get you the correct parts to fix your problem.
|
ARB Air Locker |
RD60
|
$1115.80
|
ARB Compressor |
CKMA12
|
$309.38
|
Auburn Limited Slip |
542081
|
$511.53
|
Detroit Locker 2.73 only |
187SL-47B
|
$587.97
|
Detroit Locker 3.07 - 4.56 |
187SL-47A
|
$587.97
|
LockRight Rear (1976-1986 CJ5 &CJ7) |
1710
|
$291.32
|
No-Slip for Open Carrier 8.875" 29 spline |
DTS92-01202900
|
$428.84
|
No-Slip for replacement for Tracc-Loc internals, Carrier 8.875" 29 spline |
DTS92-01202920
|
$448.47
|
Most major credit cards accepted, all products have a 12 month warranty for material and workmanship.