Originally Posted by DesertFox
If you're gonna buy it within the next week, don't forget to use the 20% off coupon.
Also, Cliff's notes: a 178mm crank pulley will make more boost than the SC pulley, but the SC pulley is much easier to install
They make the same boost, and maybe even more. I always see 16-17 lbs of boost. And yes, they are way easier to install.
