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National Drivetrain

Model 20 Ring and Pinion

Engineered to out perform the competition! These Ring and Pinions are the finest made for the AMC Model 20 Rear End.

The following treatments in production make the difference between this brand and all the others in the market:

• CNC Throughout
• Computer Controlled Heat Treatment
• Index Tooth Spacing
• Central Contact Pattern
• Cutting Edge Lapping
• Easy Set Up

 SPECIFICATIONS:

• RG DIAMETER 8.5""

• 12 7/16" X 20 RH THREADED RING GEAR BOLTS

• PINION DIAMETER 1.625" 28 SPLINES

• CASE BREAKS 2.76 / 3.07

• FACTORY 2-PIECE AXLES

• 12-BOLT ROUND COVER
   
bluebox.jpg Model 20 (3.08 Ratio)
$174.95
AM20-308
RATIO: 3.08
MANUFACTURER: Motive Gear
MATERIAL: 8620 Heat Treated Alloy
CASE BREAKS: 2.76 & Lower, 3.07 & Higher

 

   
bluebox.jpg Model 20 (3.31 Ratio)
$174.95
AM20-331
RATIO: 3.31
MANUFACTURER: Motive Gear
MATERIAL: 8620 Heat Treated Alloy
CASE BREAKS: 2.76 & Lower, 3.07 & Higher

 

   
bluebox.jpg Model 20 (3.54 Ratio)
$174.95
AM20-354
RATIO: 3.54
MANUFACTURER: Motive Gear
MATERIAL: 8620 Heat Treated Alloy
CASE BREAKS: 2.76 & Lower, 3.07 & Higher

 

   
bluebox.jpg Model 20 (3.73 Ratio)
$174.95
AM20-373
RATIO: 3.73
MANUFACTURER: Motive Gear
MATERIAL: 8620 Heat Treated Alloy
CASE BREAKS: 2.76 & Lower, 3.07 & Higher

 

   
bluebox.jpg Model 20 (4.10 Ratio)
$174.95
AM20-410
RATIO: 4.10
MANUFACTURER: Motive Gear
MATERIAL: 8620 Heat Treated Alloy
CASE BREAKS: 2.76 & Lower, 3.07 & Higher

 

   
bluebox.jpg Model 20 (4.56 Ratio)
$174.95
AM20-456
RATIO: 4.56
MANUFACTURER: Motive Gear
MATERIAL: 8620 Heat Treated Alloy
CASE BREAKS: 2.76 & Lower, 3.07 & Higher

 

   
bluebox.gif Model 20 (4.88 Ratio)
$174.95
AM20-488
RATIO: 4.88
MANUFACTURER: Motive Gear
MATERIAL: 8620 Heat Treated Alloy
CASE BREAKS: 2.76 & Lower, 3.07 & Higher

 

   
Differential Mini Installation Kit AMC 20 Jeep Rear End
$26.95
AM20IK
Carrier & Pinion Shims, Pinion Nut & Seal, Cursh Sleeve, Marking Compound, Brush, Loctite & Gasket
 

   
bearing_typical_kit.jpg MODEL 20 DIFFERENTIAL MASTER BEARING KIT
$90.30
R20RMK
DIFFERENTIAL MASTER BEARING KIT AMC MODEL 20 12-BOLT ROUND COVER
 

   
AMC20PLClutches Power Lock Clutch Kit AMC-20, 8.75" & 55-64 Chevy
$66.50
Complete set of clutches for the Dana Style Power Lock Clutch Type Possitraction. Fits AMC Model 20, Chrysler 8.75" and 1955 to 1964 Chevy. High quality O.E.M. part.