Originally Posted by vdriver
Originally Posted by rarefish
I had believed that the B/RB rockers were a little longer than the SB rocker arms. Can anyone confirm that there is a length difference between the two?

The ones that I have look at so far are stamped F2RT and F5LT and a few have a stamped triangle with a P in the middle.


Small block roughly 3.03"; big block 3.3".


Thanks... I was at a friend's shop yesterday who had a set of BB rocker arms and I also read 3.3" on them.