Vance & Hines Raceshop Components High-Performance Hayabusa Valve Springs are designed with the latest advancements in valve spring technology. Our springs are nano-peened, polished and 100% inspected through load testing to ensure they exceed stringent quality standards, offering superior valve stability at high rpm range. They are the premium choice for your performance upgrade and are drop-in ready. No machining of heads is required.
Fits 199-2023 Hayabusa
Engineered and Tested to Perform Under the Most Extreme Conditions
70 PSI HIGH PERFORMANCE VALVE SPRING (INDIVIDUAL)*
70 PSI HIGH PERFORMANCE VALVE SPRING SET (QTY.16)*
90 PSI HIGH PERFORMANCE VALVE SPRING (INDIVIDUAL)*
90 PSI HIGH PERFORMANCE VALVE SPRING SET (QTY.16)*
* PRESSURE SPECS ARE WITH V7H STEPPED RETAINER P/N 33-0141