HIVN-200F and HEVN-200F Budget Valves Flat faced valves Kit comes with (8) Intake and (8) Exhaust side valves. Application 1992-2001 Acura Integra GS-R, 1997-2001 Acura Integra Type-R, 1988-2000 B16A/B Supertech Valve made in one piece forged stainless steel. Supertech Performance uses mainly SAE EV8 (UNS S63008) for the Intake and Exhaust valve. Supertech Performance apply's different heat treatments to this material to obtain different hardness and ductility in accordance to application and budget (St
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