Supertech Valves 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 (Street Performance or Heavy Duty Racing).

Available for the following D-series engines:

• 88-91 Civic/CRX 1.5liter D15Bx
• 88-91 Civic/CRX Si 1.6liter D16A6
• 92-95 Civic SOHC VTEC D16Z6
• 96-00 Civic SOHC non-VTEC D16Y7
• 96-00 Civic SOHC VTEC D16Y8

Sold in standard OEM stock replacement size.

Sold as a 16pc set (8 intake / 8 exhaust valves)