VALVE KIT EXHAUST YZF250 GASGA, PSYCHIC XU-09519EK
PSYCHIC MX exhaust valve kit includes valve, spring, retainer, and seat for complete replacement. Components are manufactured in ISO 9001 certified factories. Nitride coating improves heat transfer and reduces carbon buildup for increased valve train life. Forged, one-piece construction valves are made of 21-2N/SUH35HT stainless steel with a swirl polish and smooth stem treatment for reduced weight and improved flow. Springs are made of SWOSC-V material. Progressive springs feature more coils on one end and should be installed towards the bottom, while non-progressive springs are paint marked and installed towards the top. Seats and retainers are made from 4041 steel, with select applications using 7075-T6 aluminum, and are designed to work with Psychic stainless steel valves and springs. Cross-reference number: XU-09519EK.
- SKU
- 65-K201.EX.PS
- Brand
- Psychic
- Availability
- In Stock (3)
FULL DESCRIPTION
Psychic MX Exhaust Valve Kit
Upgrade your motorcycle's engine performance and durability with the Psychic MX Exhaust Valve Kit. This comprehensive kit is designed for a complete replacement of your exhaust valve components, ensuring optimal function and longevity for your engine's valve train.
Key Kit Features:
- Includes everything needed for a complete exhaust valve replacement: valve, spring, retainer, and seat.
- Manufactured in ISO 9001 certified factories, guaranteeing high quality and consistent standards.
- Nitride-coated components enhance heat transfer and reduce carbon build-up, extending the life of your valve train.
Valve Features:
- Forged one-piece construction for reduced weight and improved airflow efficiency.
- Performance valves feature a swirl polish and smooth stem treatment for optimal operation.
- Constructed from durable 21-2N/SUH35HT stainless steel for superior strength and resistance.
Spring Features:
- Made from high-quality SWOSC-V material (oil-tempered steel wire).
- Some springs utilize a progressive design with more coils on one end, offering variable tension.
- Progressive springs should always be installed towards the bottom of the valve train.
- Non-progressive springs are paint-marked and should be installed towards the top.
Seat & Retainer Features:
- Seats are manufactured from 4041 steel, with select applications using 7075-T6 aluminum for reduced weight.
- Designed to work seamlessly with Psychic stainless steel valves and springs for a matched performance system.


