ACL Bearings 4B8172HX-STD High Performance Rod Bearing - Set

The ACL Bearings 4B8172HX-STD is a standard size high performance connecting rod bearing set engineered for demanding automotive applications. ACL Race Series bearings are manufactured using premium tri-metal construction, featuring a steel backing, high-strength copper-lead intermediate layer, and a specialized overlay designed to withstand extreme loads and high RPM operation.

Key Features:

• Tri-metal bearing construction for superior strength and durability
• Standard size fitment for precision engine builds
• High performance overlay material resistant to wear and corrosion
• Engineered crush height and eccentricity for optimal oil clearance
• Precision manufactured to strict tolerances for consistent performance
• Compatible with both stock and performance rebuilt engines

ACL bearings are a trusted choice among engine builders and performance enthusiasts for their reliability under extreme conditions. Each bearing set is designed to provide proper oil film thickness while maintaining structural integrity during high-load operation, making them suitable for street performance, racing, and heavy-duty applications.