ACL Bearings 5M1219H-.025 Race Series Main Bearings Standard Size

The ACL Race Series main bearings are engineered for high-performance and racing applications where durability and precision are critical. These bearings feature ACL's advanced tri-metal construction with a steel backing, copper-lead intermediate layer, and a specialized overlay designed to withstand extreme loads and high RPM conditions.

Key Features:

• Race Series construction for maximum strength and fatigue resistance
• Standard size with -.025mm undersize designation for precision fitting
• Tri-metal design provides superior load capacity and wear resistance
• Enhanced clearances optimized for racing oil systems and higher engine speeds
• Precision manufactured to tight tolerances for consistent performance
• Compatible with both synthetic and conventional racing oils

ACL Race Series bearings are the choice of professional engine builders and racers worldwide, delivering the reliability needed for competition environments where engine failure is not an option.