Psychic XU-09519EK Exhaust Valve Kit with Valve Spring Retainer Seat

The Psychic XU-09519EK Exhaust Valve Kit is a complete valve train replacement solution engineered for powersports engines. Each kit includes all necessary components — valve, spring, retainer, and seat — to perform a full replacement of either the intake or exhaust side. All components are manufactured in ISO 9001 certified facilities, ensuring consistent quality and dimensional accuracy.

Kit Includes:

• Valve, spring, retainer, and seat for complete intake or exhaust side replacement
• All components manufactured in ISO 9001 certified factories
• Nitride-coated components for improved heat transfer, reduced carbon buildup, and extended valve train life

Valve Features:

• Forged one-piece construction for reduced weight and improved flow
• Swirl-polished face and smooth stem treatment for optimized airflow
• Constructed from 21-2N/SUH35HT stainless steel for high-temperature durability

Spring Features:

• Made from SWOSC-V oil-tempered steel wire for consistent tension and longevity
• Progressive-style springs feature more coils on one end and must be installed with the heavier end toward the bottom
• Non-progressive springs are paint-marked and should be installed with the marked end toward the top

Seat Features:

• Constructed from 4041 steel (select applications use 707546 aluminum)
• Designed specifically to work with Psychic stainless steel valves and springs for optimal seating and sealing performance

The Psychic XU-09519EK is an ideal choice for engine rebuilds and performance maintenance, delivering OEM-quality fit with upgraded materials for longer service life.