ACL Bearings 7M2394HC-.25 Race Series Main Bearing Set for Nissan RB25/RB30 6-Cylinder Engines

The ACL Bearings 7M2394HC-.25 Race Series Main Bearing Set is designed for Nissan RB25 and RB30 6-cylinder engines requiring main bearings with a 0.25 mm undersize specification. This coated main bearing kit supports precise crankshaft fitment and dependable engine performance in demanding street, performance, and motorsport applications. The Race Series construction is engineered to provide consistent bearing support, reliable oil control, and durability under elevated engine loads.
The coated surface helps promote wear resistance and dependable operation when matched with a properly prepared crankshaft and engine block. Each set is manufactured for accurate installation and compatibility with the specified Nissan 6-cylinder application. Verify crankshaft journal measurements, bearing clearances, and engine specifications before installation to ensure the correct undersize bearing is selected. Professional installation and adherence to the engine manufacturer’s assembly procedures are recommended.
The ACL Bearings 7M2394HC-.25 main bearing set is supplied as a complete kit for the applicable Nissan RB25/RB30 engine platform. It is a practical replacement or performance upgrade for engine rebuilds where a 0.25 mm undersize main bearing is required. This product is not air restricted and does not require truck freight, making it suitable for standard parts-ordering and delivery processes.

Features:

• Brand: ACL Bearings

• Part Number: 7M2394HC-.25

• Application: Nissan RB25/RB30 6-cylinder engines

• Bearing Type: Main bearing set

• Series: Race Series

• Undersize: 0.25 mm

• Surface: Coated for enhanced wear resistance

• Fitment: Designed for crankshafts machined to the specified undersize

• Kit Contents: Complete main bearing set

• Shipping Classification: Not air restricted and not truck freight only