Ferrea Competition Plus Valves Nissan SR20DET RWD 200sx.
Complete Kit (8 Intake, 8 Exhaust).Ferrea Competition Plus Super Alloy Valves are Ferrea's Top of the Line Valve with all of the features, and is made from best quality material available. They are designed to withstand high rpm and high spring pressure at a fair price for a top of the line valve.Ferrea uses a 2 step slow forging technique applied to special alloys to create these valves. They are heat treated and stress relieved with a swirl polished head.The Special Alloy that these valves are made from is designed to handle the high heat of turbo, nitrous, or supercharged applications. It is strong enough to handle high horsepower at high rpm and light enough for use in all motor applications.This is the best Valves you can get for your SR20.