ACL Bearings 5M909H-STD H-Series Main Bearing Set for Small Block Chevy

The ACL Bearings 5M909H-STD Main Bearing Set is engineered for Small Block Chevy applications requiring dependable crankshaft support and consistent bearing performance. This H-Series standard main bearing kit is designed for builders, engine rebuilders, and performance enthusiasts seeking a reliable replacement or rebuild component for compatible Chevrolet small block engines.
The H-Series construction is developed to support demanding engine operation with a durable bearing material and precise fitment characteristics. Standard sizing makes this kit suitable for crankshafts and engine blocks that meet original standard bearing specifications. Verify crankshaft journal measurements, engine application, and bearing clearance requirements before installation to ensure proper compatibility and performance.
Each set is supplied as a coordinated main bearing kit for convenient engine assembly. The ACL Bearings 5M909H-STD helps provide stable crankshaft positioning, dependable oil control, and reduced friction when installed with correct lubrication, clearance, and torque procedures. Follow the engine manufacturer's service specifications and inspect all mating surfaces during installation.
This main bearing set is not air restricted and does not require truck freight shipping. Use the part number 5M909H-STD when confirming application details with a professional engine builder or parts specialist.

Features:

• Brand: ACL Bearings

• Part Number: 5M909H-STD

• Bearing Series: H-Series

• Product Type: Main bearing set

• Application: Small Block Chevy engines

• Bearing Size: Standard

• Kit Contents: Coordinated main bearing set

• Installation: Verify crankshaft journals and bearing clearances before assembly

• Shipping Classification: Not truck freight only

• Restrictions: Not air restricted