OSK TIMING CHAIN KIT TO SUIT TOYOTA MR2 ZZW30R 1ZZFE 1.8L I4OSK has over 50 years experience in timing chain components. This OSK timing chain kit can help to restore lost horsepower and quieten valve train noise depending on how worn your current timing chain set is. It is a valuable addition to any sort of engine rebuilding. This heavy duty timing chain operates smoothly in conjunction with the guides and is held in place by an aftermarket tensioner. These kits are manufactured, checked and evaluated in