ACL crankshaft main bearing set for Isuzu six-cylinder 6BB1 (5393cc) and 6BD1 (5785cc) engines. This main bearing set supplies replacement shells sized for those specific Isuzu crankshaft applications and is intended for engine rebuilds or maintenance to restore proper main clearances and rotational support. Use when servicing mains to ensure accurate fitment and dependable crankshaft operation.

ACL Isuzu 6 6BB1 5393cc/6BD1 5785cc Engine Crankshaft Main Bearing Set