I have a 4150 base 950 on my 572 and it works great but i am thinking about a 1050 dominator 4500 base but i am on ALCOHOL i think you need a 950 or 1050 but if you go to a dominator i think a 4500 base and put a 2" adapter it makes more power or that`s what INDY saying that`s just me GOOD LUCK.