SUPERTECH Black Nitrided High Compression Valves std. Size (F20C/F22C engines)

Supertech manufactures it's own racing valves using only the highest quality materials available. They have spent countless hours studying these different materials as well as your applications to create just the right valve.
Because of thermal fatigue the proper choice of material will greatly determine the valve performance and reliability. Supertech relentlessly test new materials to provide valves with unsurpassed fatigue resistance.

These valves are black nitride coated, which is a hardening treatment that has been steadily growing in popularity over the last several years.
These black Nitride coated valves feature harder surfaces and smoother finishes, providing less friction and subsequently longer life.
Valve Specs:
Head Diam: 31.00mm (Std S2000)(+1mm Kseries)
Stem Diam: 5.45mm
Length: 108.65
Material: Black Nitrided
Valve Type: Exhaust
 
Head Diam: 36.00mm (std)
Stem Diam: 5.48mm
Length: 109.85mm
Material: Black Nitrided
Valve Type: Intake

Complet set of 16 valves for the intake and exhaust side.