Skat-Trak Kawasaki 550 JS Impeller (SKU: KB-STD)

Skat-Trak Kawasaki 550 JS Impeller | Stainless Steel Performance Impeller (KB-STD) The Skat-Trak Kawasaki 550 JS Impeller is the original stainless steel performance impeller designed specifically for the Kawasaki 550 JS Jet Ski. Widely regarded as one of the best bolt-on performance upgrades available for the 550 JS, this impeller delivers stronger acceleration, improved pump efficiency, better hook-up, and increased top speed compared to the factory aluminum impeller. Manufactured from high-quality stainless steel, the Skat-Trak 550 JS impeller is designed to provide outstanding performance throughout the entire RPM range. Whether you're restoring a classic Kawasaki 550 JS or upgrading for recreational riding and freeride performance, this impeller offers a significant improvement in overall ride quality and responsiveness. The impeller fits the Kawasaki mixed-flow pump used exclusively on the 550 JS and is available in both straight-pitch and progressive-pitch configurations to suit a variety of riding styles and engine setups. Want to check if this application is best for your set-up? Check out our Solas Application Charts for more information! Features The Skat-Trak 550 JS impeller is precision-manufactured from durable stainless steel and engineered to improve acceleration, hook-up, and overall pump efficiency. Available in multiple pitch options to match stock and modified engine combinations. Performance Benefits Improved Bottom-End Acceleration Increased Top Speed Better Pump Hook-Up Enhanced Throttle Response Improved Pump Efficiency Strong Mid-Range Performance Durable Stainless Steel Construction Direct Bolt-On Upgrade Available Pitch Options Limited quantities available in: 13/16 Pitch Additional pitch options are available through custom ordering to match your engine modifications and riding style. Applications Fits: Kawasaki 550 JS Jet Ski Important: This impeller is designed for the 550 JS only and does NOT fit the Kawasaki 550 SX. Custom Pitching Available Every watercraft setup is different. Let us know your engine modifications, compression, exhaust system, elevation, and riding conditions, and we'll custom pitch your impeller to maximize performance and RPM. Why Upgrade to a Skat-Trak Impeller? Skat-Trak pioneered stainless steel performance impellers for personal watercraft and remains one of the most trusted names in the industry. Compared to factory aluminum impellers, the Skat-Trak 550 JS impeller offers significantly improved durability, stronger acceleration, and better overall performance. Part Number Skat-Trak KB-STD Performance results vary based on engine condition, modifications, rider weight, water conditions, elevation, and other factors. Speed and RPM gains cannot be guaranteed.