Special features on this kit :
- 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 with OEM retainers, bases and seals without the need of any further engine modifications. - Comes as complete package for quick, easy and cost efficient replacement.
