ACL Bearings 5M1644HX-STD Race Series Main Bearings

The ACL Race Series main bearings are engineered for high-performance engine builds where durability and precision are critical. These bearings feature ACL's advanced metallurgy and coating technology designed to withstand the extreme loads and temperatures found in racing and high-output street applications.

Key Features:

• Race Series construction for enhanced durability under high stress conditions
• STD (standard) size for direct OEM replacement dimensions
• Premium tri-metal construction with steel backing for maximum strength
• Proprietary bearing coating reduces friction and improves oil retention
• Precision machined to tight tolerances for optimal crankshaft support
• Designed for performance engines with increased horsepower and RPM demands

ACL Race Series bearings are the choice of professional engine builders and serious enthusiasts who demand reliability and performance. These main bearings provide the foundation for a bulletproof rotating assembly in your performance engine build.