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The ACL Race Series main bearings set for BMC Mini Inline-4 engines (up to 1983) is an oversized (.001mm) high-performance main bearing kit specified for the listed engine family and era. The overview clarifies the intended application so builders can confirm fit. These bearings are intended for race-focused engine builds; verify engine type and year range before selection.
ACL BMC Mini Inline 4 (up to 1983) .001mm Oversized High Performance Main Bearing Set
