ACL Race Series main bearing set for BMC Mini inline-4 engines (up to 1983) is a standard-size, high-performance main bearing kit intended to replace worn mains during engine service or rebuild. Specified as standard size, this set supports the crankshaft main journals for the listed Mini inline-4 applications through 1983 and is aimed at users requiring a race-oriented bearing option.
ACL BMC Mini Inline 4 (up to 1983) Standard Size High Performance Main Bearing Set