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 Ring & Pinion Sets Part Number Teeth Ratio AM20-273 30-11 2.73 AM20-308 43-14 3.08 AM20-331 43-13 3.31 AM20-354 39-11 3.54 AM20-373 41-11 3.73 AM20-410 41-10 4.10 AM20-456 41-9 4.56

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

Most major credit cards accepted, all products have a 12 month warranty for material and workmanship.