What does BFH stamped on rear differential mean??

[jjrock5]

Just noticed it on my car and it's also LSD.

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[4g63eagle]

Here you go, HowStuffWorks "Viscous Coupling"

 

[FonZ454]

It means that if need be, you can take it off and use it as a big ####ing hammer.

It's the more desirable rear diff. LSD.

 

[jjrock5]

haha. Thanks for the link.

 

[talondave]

I have no clue but thought this was a good one! Better fxxking Hook...