Originally Posted by
Yumu1009
HI guys so im just curious where to start when it comes to upgrading my pulleys. I currently have the euro tune on the srt6 but will it need to be redone to support the new pulleys? also
what sizes give the most gains and most reliability. I'm also new to superchargers do they have 2 pulleys?

My answer to the question in bold is a 178mm or a 181mm crank pulley.