Originally Posted by Itsmeagain
cheers gra, and yes, ebay made me ask this question
so 19psi, and according to mark 14000rpm.
whats the % bit mean gra? 15% what? (im bit new to s/c so this might be an obvious thing, but i dunno)
No worries

, 15% means its 15% smaller than the standard pulley, which means the supercharge rotates faster giving more boost