The ACL Race Series main bearing set for Nissan KA24DE inline-four engines is a standard-size, high-performance main bearing kit as described in the listing. It is specified for use in KA24DE applications and provided to support engine rebuilds or high-duty operation where the standard-size bearings with race-series characteristics are required for that engine family.
ACL Nissan KA24DE Inline 4 Standard Size High Performance Main Bearing Set