Valves are critical to maximum engine performance and durability. Aftermarket one piece valves offer many advantages over stock OEM valves. Choosing the right intake valves and exhaust valves for your application is important, whether your are doing a stock rebuild, or a racing engine where you need the lightest, strongest, highest flowing racing valves available. Valve technology has steadily improved and there are significant airflow and power gains available by using high quality performance valves in your engine. Durability is also vastly improved by the use of stainless steel, nitrited stems, swirl polishing and hardened tips. For the ultimate in light weight and rpms, titanium valves offer significant weight savings.