The ACL crankshaft main bearing set for Mitsubishi 4B104B12 engines is supplied as a complete main bearing kit intended for engine rebuilds and repairs. It provides the main bearings necessary to restore journal clearances and support the crankshaft during overhaul work. Use this set when renewing mains or servicing the rotating assembly on the specified Mitsubishi engine.

ACL MITSUBISHI 4B104B12 Engine Crankshaft Main Bearing Set