Housings

MW MODULAR ALUMINUM HOUSING COMPARISON CHART

 
 
    

Type:

MW 12"

9" Ford

GM 12-bolt

Mounting

Solid & 4-linkSolid & 4-linkSolid & 4-link

Ring gear

Special 12"Ford 9"GM 8.875"

Gear range

2.91 to 4.57:13.40 to 6:50 (A)4.11 to 6.14:1 (A)

Hypoid

2.25"2.25"1.5"

Center casting

16" wide16" wide14" wide

Extension

End bellsBells & tubeBells & tube

Housing width
(wheel to wheel)

31-1/8" to 37-1/8"30-1/8" to 37-3/4"
(wider w/ tubes)
28-1/8" to 35-3/4"
(wider w/ tubes)

Interchangeable
parts

YesYesYes
    
(A) With 9310 "Pro" drag race gears. Wider range with 8620 alloy street/oval track gears.
  Advantages of Modular Aluminum 
  Modular Aluminum Vs. Steel Housings 
  Information About Rear Ends 

 


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