Originally Posted by gary c

The difference between all of the upper strut bars on the market is that most
like Stillens are not adjustable enough to install items like plenum spacers. So
you buy a strut bar now and a year down the road you want that extra 15 HP
from a spacer......understand? Richies upper strut bar is totally adjustable
and fits my 1/2" MotorDyne spacer which most wouldn't.........