Application uses expensive and less durable titanium valves. These steel valves offer increased durability and easily extends the lifespan to 3x that of the O. Nitrided valves offer high micro-hardness while a super-smooth surface finish reduces friction between stem and guide.
Special stronger valve springs deal with the extra weight of the steel valves. Springs are made from premium chrome vanadium steel for higher performance and durability under high RPM. Retainers, bases and seals without the need of any further. Some items may have a slightly different appearance than what is shown in the picture. Please review the entire description to verify proper fitment.