Solas Billet Impeller Seal/Nose Cone SLA009 Unique shape is hydrodynamically designed to keep water flowing next to cone and into impeller blade, reducing cavitation CNC-machined to precise specifications, then anodized for corrosion resistance Double O-ring inside keeps cone firmly in place; indented pry spots for easy removal Strongly recommended for high-power applications such as the Yamaha WaveRunner GP1200R