NEW AMERICAN TURBINE HIPPED HI-HELIX 17-4 STAINLESS STEEL IMPELLER, ONLY AVAILABLE FOR AA AND 9.5 SIZES. THESE FIT  DOMINATOR AND AMERICAN TURBINE PUMPS. WE WILL CUT AND BALANCE EVERY IMPELLER AS PER THE CUSTOMER'S APPLICATION. ALSO CARRY A FULL LINE OF A/T PUMP PARTS AND ACCESSORIES AND MANY OTHER JET BOAT PARTS. WHEN ORDERING, BE SURE TO LET ME KNOW WHAT CUT ON THE IMPELLER. IF UNSURE, MESSAGE ME AND I CAN HELP YOU DECIDE ON THE RIGHT IMPELLER AND CUT FOR YOUR APPLICATION. SHIPPING COST INCLUDES INSURANCE. THANKS FOR LOOKING .