Chrysler 8 3/4" Straight Pinion "742"
  
Ring Gear Diameter:
Pinion Shaft Diameter:
Ring Gear Bolts:
Left Hand Threads:
Pinion Splines:
Third Member Bolts:
   
8 3/4"
1.750
12
3/8" x 24
10
10
 
Model
Year
Imperial
57-68
Town Country
57-68
Chrysler 300
57-68
Charger
66-68
Coronet
63-68
Dart, Swinger
66-68
Monaco, Polara
63-68
Super Bee
68
B200, B250
65-68
W100, W150
65-68
Barracuda
64-68
Belvedere
57-68
Fury
57-68
Road Runner
67-68
Satellite
67-68
GTX
67-68
Valiaint
60-68
Ratio
Teeth
Part #
3.55
39-11
C8/355S
3.91
43-11
C8/391S
4.10
41-10
C8/410S
4.30
43-10
C8/430S
4.56
41-9
C8/456S
4.86
34-7
C8/488S
4.86
34-7
C8/488P •
5.13
41-8
C8/513S
 
Installation Kits
Part #
Master Installation Kits
C8/MOKITS
Installation Kits
C8/KITS
Mini Installation Kits
C8/MKITS
Pinion Bearing Kits
Pinion Bearing Set-Up Kit
PINSU10
   
• Pro Gear statement click here
...........................................................................
Tech Note:
The Chrysler 8 3/4” Straight Pinion “742” can only be used with a “742” housing.
 
   
       
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The Precision Gear Story
Precision Gear Tech Help
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• Chrysler 7 1/4"
• Chrysler 8 3/8"
• Chrysler 8 3/4" 
  Straight Pin. 742
• Chrysler 8 3/4" 
  Tapered Pin 489
• Chrysler 9 1/4"