I don't care if it's ATI or IW. But I went to ATI's site and they have 15% but it's an Underdrive pulley. Does ATI make a 15% OD for a 4.6? Same for IW.
Thanks.
7.5" is a 15%. I have a 8rib innovators west.. You can run a 6 rib on a 8 rib pulley easily.