ceramic bearings

[Damn Yankee]

Originally Posted by ss wannabee

Not to split hairs...but I thought the GM 12-bolt was regarded as the MOST efficient
rear end for many years...

That would explain why I saw several SS/AA cars sporting 'em when I last went to
Indy back in the mid-'90's!

But then again...maybe they were in there...because they were the lightest axle
assembly of the 3 types?

Yes I have been told the 12" is the most efficient, however it is not allowed in this class