Originally Posted by tom @ eas
Slightly lighter, as well as slightly spinning the accessories slower - freeing up power due to less parasitic drag.
Most crank pulleys on the market today are relatively similar sized, with exception of the Dinan unit.
This is why I bought my pulley and intake setup from EAS/Macht Schnell. Tom has done a lot of research on his products and it show in the final product. I have seen many other pulley kits and at the end of the day Macht Schnell seems to be the right fit for me