Hi , I've managed to get a Bobs 10 inch set back lifter for my P21. I'm hoping t will work. I'm hoping the 10 inch set back will lift the bow a little more. Thanks for the advice. Will let you know how it works. I have a 250 HO which is about 280 hp. I think I have found someone to remap the EMM, So the HP may go up. The gear ratio is 1:1.72 . Would a Raker 1 work as a starting point? I have a 24 and 26 pitch. Regards Dom.