PROX STEEL EXHAUST VALVE/SPRING KIT YZ/WR250F '01-10

Wiseco's valve train components are the next great products available to maximize the performance of your highly stressed racing engine! Each new product is made from premium materials for maximum strength and durability and exceed OEM tolerances and specifications. Rigorous in-house engineering and testing ensures each product bearing Wiseco's name lives up to the highest standards in quality and performance!

Manufacturer Part #: 28.SES2401-1

Prop 65 WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or reproductive harm. For more information go to www.P65Warnings.ca.gov.