Supertech Performance Valves and Components! 16 Supertech STD Size Valves, Single Valve Springs. 1992-2000 Honda D16 applications. Supertech manufactures their racing valves using only the highest quality materials available Honda Civic Ventile SOHC Supertech Valve Seals Honda D16 D16Y7 D16Z6 D16Y8 SOHC Civic D Ventilsatz Für D16 Motoren Country/Region of Manufacture: United States Supertech Valve Seals Honda D16 D16Y7 D16Z6 D16Y8 SOHC Civic D-Series CRX Del So Manufacturer Part Number: HIVN-1012, HEVN-1012, Material: Stainless Steel, Features: Sealed, Universal Fitment: No, Vintage Part: No