Evergreen IEV4008 94-01 Acura Integra GS-R Type-R 1.8 DOHC 16V B18C1 B18C5 Intake Exhaust Valves Fits: 94-01 Acura Integra GS-R Type-R 1.8L DOHC B18C1 B18C5 (see description below) Made from premium stainless steel and manufactured to the highest quality specifications Increased durability and less wear under extreme conditions, easily lasting 3 times longer than the OEM valves A one-piece, forged construction offers high strength and fatigue properties Will work with stock springs and valve-train, without the need of any further piston, head, or engine modifications