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ACL Race Series main bearing set for 1983 and later BMC Mini inline-four applications, offered for competition-focused engine builds. These main bearings replace worn shell bearings and restore correct crankshaft support and oil clearance in race-prepared or heavily used engines. Choose this set when assembling a rebuild that demands reliable crank support under elevated RPM and track use scenarios.
ACL 83+ BMC Mini I4 Race Series Main Bearing Set
