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The ACL crankshaft main bearing set for Jeep four-cylinder 150 cubic-inch engines covers 1991–1998 applications. These main bearings restore main journal clearance and help maintain crankshaft alignment and oil film control under load. Use during overhauls or main journal service to protect journals and ensure reliable engine operation across the supported model years.
ACL Jeep 4 150 1991-98 Engine Crankshaft Main Bearing Set
