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ACL main bearing set for 1985–1990 Isuzu 4-cylinder 4JB1 engines (2,771 cc). This complete crankshaft main bearing set provides the correct sizing for overhauls and main-bearing replacements on the 4JB1 diesel application, helping restore crankshaft support and bearing clearances. It’s intended for use during engine rebuilds or scheduled maintenance on the specified Isuzu engines.
ACL Isuzu 4 2771cc 4JB1 1985-90 Engine Crankshaft Main Bearing Set
