ACL Race Series main bearings for the Toyota 1FZ‑FE are standard‑size, high‑performance shells supplied with extra oil clearance. Offered as a drop‑in main set, they provide the increased oil clearance specified for certain rebuilds and support installations that need additional journal oiling without altering standard main cap assembly methods.
ACL Toyota 1FZ-FE Standard Size w/ Extra Oil Clearance High Performance Main Bearing Set