Pro-X Intake Valve and Spring Kit Steel - 28.SIS2402-2

Features:

• Replaces the OEM valves and valve springs
• Steel, nitrided valves for increased durability and less wear under extreme conditions
• 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 rpm
• Kit contains a set of steel intake or exhaust valves plus a set of specially designed valve springs; can be installed using the OEM retainers, bases and valve seals