ACL Race Series rod bearing set is made for BMW 3.0L engines including N51, N52, N54, N55 and S55 variants. These standard‑size high‑performance bearings are specified for use in a range of BMW inline‑six applications and include notch relief machining where indicated to prevent distortion from notching operations while preserving bearing performance in demanding use.
ACL BMW N54B30/N55B30/S55B30 3.0L Standard Size High Performance Rod Bearing Set