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The ACL Race Series .25 oversized main bearing set for BMW M20, M50, M52 and M54 engines addresses 1919cc applications with an 80.0mm bore and 66.0mm stroke. Supplied at the .25 oversize specification, these main bearings are intended to re-establish correct clearances after journal undersizing, supporting accurate crank alignment and dependable operation following machine work that requires this oversize.
ACL BMW M20/M50/M52/M54 - 1919CC 80.0mm Bore 66.0mm Stroke .25 Oversized Main Bearing Set
