ACL Bearings 5M7296A-.25 Undersize Main Bearing Set

The ACL Bearings 5M7296A-.25 is a precision-engineered main bearing set manufactured to 0.25mm undersize specifications for use during engine rebuilds requiring crankshaft regrinding. ACL is a globally recognized OEM and aftermarket supplier known for producing high-tolerance engine bearings used in performance, motorsport, and heavy-duty applications.

ACL main bearing sets are manufactured using advanced tri-metal or bi-metal construction, featuring a steel backing with a copper-lead or aluminum alloy lining and an electroplated overlay. This construction delivers superior load capacity, fatigue resistance, and conformability to crankshaft journals.

Key Features:

• 0.25mm undersize bore for use with reground crankshafts
• Precision-manufactured to strict dimensional tolerances for proper oil clearance
• Tri-metal or bi-metal bearing construction for high strength and durability
• Electroplated overlay for improved surface conformability and break-in performance
• Corrosion-resistant bearing material for extended service life
• Full set includes all main bearing shells required for complete installation
• Manufactured to OEM specifications for reliable fitment and performance

Designed as a direct replacement during engine overhaul, the ACL 5M7296A-.25 main bearing set ensures proper crankshaft support and oil film maintenance critical to long engine life. Ideal for professional engine builders and performance rebuilds.