- 21-4N Stainless Steel Valves for increased durability and less wear under extreme conditions.
- Black Nitrided valves offer high microhardness while supersmooth surface finish reduces friction between stem and guide.
- Special designed valve springs deal with the extra weight of the Stainless Steel valves.
- Springs are made from premium Chrome Vanadium Steel for higher performance and durability at high rpm.
- Fully rebuildable utilizing your OEM retainers, bases and seals without the need of any further engine modifications.
- Comes as complete package of all intake valves and springs.
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