Huh, that is something new to me then, as Once i was looking into this a protracted though in the past, there have been no indications of them working. Are we conversing ingestion cam only or both of those exhaust and ingestion cams? I am assuming only the intake cam? https://angelozwncr.collectblogs.com/72489498/how-toyota-4age-engine-for-sale-can-save-you-time-stress-and-money