ACL Bearings 5M2964HC-.025 Performance Main Bearing Set

The ACL Bearings 5M2964HC-.025 is a high-performance main bearing set designed for demanding engine applications. This bearing features ACL's Race Series construction with advanced tri-metal composition for superior durability and load-carrying capacity.

Key Features:

• -.025" undersize for crankshaft journal regrinding applications
• Tri-metal construction with hardened steel backing, copper-lead intermediate layer, and polymer overlay
• High crush relief design for improved oil retention and heat dissipation
• Precision tolerances for optimal clearances and performance
• Suitable for high-performance and racing applications

ACL Race Series bearings are engineered to withstand extreme loads and temperatures, making them ideal for turbocharged, supercharged, and naturally aspirated performance engines. The -.025" undersize specification allows proper fitment on reground crankshafts, extending engine life through proper rebuilding procedures.