Sure grip price and availability?

[mr70charger440]

Im looking to see what i can get a sure grip 8 3/4 for. At least 3.55 gear ratio no more that 3.91 gears but i can change those. Or does anyone even just have the internals? Thanks

[green69rt]

Parts or complete....  They might even do a custom job if you call

http://www.doctordiff.com/drivetrain/mopar-8-3-4/

[Ghoste]

Randys Ring and Pinion are supposed to be good too.

I bought a complete center section from Mancini about 8 years ago.  I'm sure they sourced it locally but I don't know who.

[myk]

I went to the local axle/differential place and told them I wanted to leave two stripes instead of one on the road; total cost was about $700 for an Auburn unit, however it would cost another $500 to change my 2.78 (?) ratio so I left that as is, but I'm definitely enjoying the limited-slip 'diff...

[c00nhunterjoe]

If you are starting from scratch then look up detroit tru-trac diffs. Its an incredible masterpiece of engineering