ACL Bearings 5M909H-20 H-Series Main Bearing Set, 0.020-Inch Undersize, Small Block Chevy

The ACL Bearings 5M909H-20 H-Series Main Bearing Set is designed for Small Block Chevy applications requiring main bearings with a 0.020-inch undersize specification. This kit provides a matched set of main bearings for engine rebuilding and replacement applications.

Built in the H-Series bearing line, this main bearing set is identified by part number 5M909H-20 for straightforward product selection and ordering. The 0.020-inch undersize specification should be matched to the engine’s crankshaft and rebuilding requirements before installation.

Use the ACL Bearings 5M909H-20 Main Bearing Set where a Small Block Chevy engine requires this specific undersize main bearing configuration. Refer to the engine builder’s measurements and application requirements to confirm suitability.

Features:

• Brand: ACL Bearings
• Part Number: 5M909H-20
• Bearing Type: Main bearing set
• Series: H-Series
• Undersize: 0.020 inch
• Application: Small Block Chevy
• Configuration: Kit