Kit Features:
- All kits sold with Valve, Spring, Retainer, Seat to do complete replacement of either intake or exhaust side
- All components are manufactured under ISO 9001 Certified Factories
- Nitride coated components to improve heat transer & carbon build-up for increased Valve train life
Valve Features:
- Forged one-piece construction to help with weight reduction & improved flow
- Performance Valves receive a swirl polish, smooth stem treatment, and are made of 21-2N, SUH3, or SUH35HT STEEL
Spring Features:
- Springs are made of SWOSC-V material (OIL-TEMPERED STEEL WIRE)
- Some Springs fearture a progressive style design with more coils on one end of the Spring
- Progressive Springs are heavier on one end and should always be installed towards the bottom
- Non-progressive Springs are paint marked and should be installed towards the top
Seats & Retainers:
- Made from 4041 STEEL (SELECT APPLICATIONS USE 7075-T6 ALUMINUM)
- Designed to work with Psychic Stainless Steel Valves and Springs