here is a link to the page
http://www.cyclexchange.net/Superrods%20Page.htmthey sure do look cool
Here is the difference in the bolts
in these pics they do look a bit thicker
not sure how accurate all these are but here are they specs they give
DETAILS:
Stock Honda CB rods..............375 grams ( Fluctuate in weight )
Super rods.............................. 372 grams
Forged from S45C and heat treated to HRC 23-28.
Small end bushings are Phosphor bronze.
Big end bolts are SCM435.
Torque spec is 30 foot pounds.