Vibrant performance: B/H series adjustable timing belt tensioners (must see)
 

Vibrant performance has come out with a adjustable timing belt tensioner for the honda B and H series engines. They reduce timing belt slack so timing can be more precise and chances of skipping a tooth are now slim. They are adjustable vertically and horizontially. They bolt up right to the honda block however the downside having to relocate or remove power steeering pump. Check it out i think its an awsome idea if anyone has ever experienced these issues.
Check it out, a little pricey though.

Source: http://www.vibrantperformance.com/pressrelease6.php

i wouldn't trust it

Whats not to trust? That portion of the timing belt on hondas always carry much more slack. I think its a brilliant idea!