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The ACL Trac 3 standard size main bearing set for D155/D179 provides factory-dimension replacement mains for engine rebuilds that do not require oversize bearings. Supplied as a matched set, these standard bearings restore original journal clearances and are intended for use where standard OEM dimensions are specified during rebuilding or maintenance procedures.
ACL International Trac 3 D155/D179 - Standard Size Main Bearing Set
