71GSSDemon said

8 3/4" Housing widths, flange to flange

A-BODY

• '66-'72= 52 5/8”
  • BBP 7.25/8.25 = 51.5”

B-BODY

• '62-'63= 53 1/4" (And '64 Max Wedge)
• '64 = 55 5/8" (Exc. Max Wedge)
• '65-'67= 54 1/4"
• '68-'70= 54 15/16"
• '71-'74= 57 7/8"
• '71-'73 wagon= 59 7/16"

C-BODY

• '65-'69= 56 3/4"
• '70-'71= 57 7/8" (Chrysler & Fury)
• '70-'74= 59 7/16" (and '69 wagon)

IMPERIAL

• '65-'66= 57"
• '67-'69= 57 3/8"
• '70-'71= 54 3/4"
• '72-'73= 59 5/8"

E-BODY

• '70-'74= 56 31/64"

A100

• '65-'70= 56 3/4"

D100

• '65-'71= 58 5/16"
• '72-'74= 59 7/16"

F-BODY (8.25" axle!)

• ’76-’80= 54.34”

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