National Drivetrain

1955 - 1964 Chevy Performance Ring and Pinion

Engineered to out perform the competition! These Ring and Pinions are the finest made for the 55-64 Chevy 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 8.2"

• 10 3/8" X 24 RH THREADED RING GEAR BOLTS

• PINION DIAMETER 1.438" 17 SPLINES

• CASE BREAKS 3.73 / 4.10

• AXLE SPLINE COUNT 17

• 10-BOLT DROP OUT
   
orangebox.jpg GM 8.2" (3.55 RATIO) 1955-1964 Drop Out
$189.95
G884355
3.55 RATIO GM 8.20 Inch 10 Bolt 1955-1964 Car Motive Gear Performance Ring and Pinion
 

   
orangebox.jpg GM 8.2" (3.70 RATIO) 1955-1964 Drop Out
$189.95
G884370
3.70 RATIO GM 8.20 Inch 10 Bolt 1955-1964 Car Motive Gear Performance Ring and Pinion
 

   
orangebox.jpg GM 8.2" (Thick 4.11 RATIO) 1955-1964 Drop Out
$189.95
G884411X
4.11 RATIO GM 8.20 Inch 10 Bolt 1955-1964 Car Motive Gear Performance Ring and Pinion. Fits the 3-series carrier only!
 

   
Powerloc 55 to 64 GM / Chevy 3-series Power Loc Posi
$390.00
This is the original clutch style posi found in 1955 through 1964 Chevy passenger cars.
This unit is designed to work with factory and aftermarket 3.08 through 3.70 ring & pinions.
Will also work with "thick" 4.10 ring & pinions. Strong, Re-Buildable and Affordable!
 

   
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.
 

   
Differential Posi Additive
$5.25
MGPLSF
Differential Posi Additive for use with Limited Slip Posi Units (Eaton, Auburn, TracLoc, Truetrac) for GM, FORD, & CHRYSLER, & JEEPS. 2 bottles are recommended per Posi Unit.
 

1955-1964 BELAIR/IMPALA, BISCAYNE, CORVETTE,SERIES 150/210, EL CAMINO, CHEVY II
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