JUN AUTO Racing Valve Guide For TOYOTA 3S-G(T)E 1008M-T002Brand JUN AUTO Product Number 1008M T002 Compatible Car TOYOTA Compatible Models 3S G(T)E Product Description We prepared two kind of valve guide. One is a strengthening part made of the PBB which is suitable for the tuning engine. One more is the valve guide made of cast iron which is same as stock specification. In the case of tuned engine, the heat and mechanical load by high rotation is very much rather than stock. Stock valve guide may damage.