Q4 (12.7 x 21") Quicksilver RH Propeller, 48-8M0055563The aggressive 4 blade Q4 propeller generates exceptional lift, resulting in a propeller that provides outstanding hole shot, unmatched midrange performance, and superior handling.. All while running at best in class top speeds. The Q4 is the ideal match on a wire variety of boat types including bass, multi species, fish and ski, center console, bay, and pontoon. Requires hub kit sold separately. Please refer to the fitment section to determine which