PROX STEEL INTAKE VALVE/SPRING KIT PART NUMBER 28.SIS3405-2

This listing is listed with our fitment link on the home page and will fit many years and make. Please check it out on our home page to make sure it fits year, make and model search… PROX STEEL INTAKE VALVE/SPRING KIT PART NUMBER 28.SIS3405-2 . SIS3405-2 NEW

• Steel valves for increased durability and less wear under extreme conditions
• Nitrided valves offer high micro hardness while 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 at high rpms
• Fully rebuild able 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