Originally Posted by SS_Firehawk

I was specifically looking for a stock size crank pulley. I know why the stock crank pulley was put back on, I sent it to them. With 6061-T6 having an MPA of 300+ and cast iron at 400, I understand a quality lightweight pulley will not be as strong as a factory cast iron piece. I've done more research than most, believe me. I was inquiring about the pulley design, I'm aware of all the opinions about this mod, with and without superchargers.