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The ACL main bearing set for Isuzu 4JA1 2499cc engines (1985–1990) is supplied as a correct-fit crankshaft main bearing kit for engine rebuilding. The bearings are intended to support the crankshaft and help re-establish proper rotating clearances during reassembly. When servicing engines of the listed displacement and model years, this set provides the core bearing components needed to return crank support to specified tolerances.
ACL Isuzu 4 2499cc 4JA1 1985-90 Engine Crankshaft Main Bearing Set
