Better stock rocker?

[496 polara]

I remember getting the mopar performance stamped BB rockers which were supposedly thicker and have a more true ratio than stockers.Is there any "better" small block stamped rocker arm with a 1.5 or 1.6 ratio available?

 

[70aarcuda]

http://www.manciniracing.com/masthe15rahy.html

 

[fratzog lover]

Mancini x2