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The ACL main bearing set for Nissan 4‑cylinder SD20–SD25 engines (1991–2488 cc) for 1980–1987 applications. It supplies matched crankshaft main bearing shells needed when rebuilding or repairing the bottom end, restoring correct journal clearance and rotational support. This kit is presented as a complete crankshaft main bearing set for direct engine service.
ACL Nissan 4 1991-2488cc SD20-SD251980-87 Engine Crankshaft Main Bearing Set
