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The ACL main bearing set for Mitsubishi G63B / 4G63 1,997cc engines (1983–1992) supplies replacement crankshaft main shells for engine overhaul and routine service. It restores correct journal support and bearing clearance to reduce friction and wear. Ideal for repairing or rebuilding the specified 4G63-series engines, the set supports proper crankshaft function when installed to factory tolerances.
ACL Mitsubishi 4 1997cc G63B/4G63 1983-92 Engine Crankshaft Main Bearing Set
