ACL Bearings 8B684A-STD Standard Connecting Rod Bearing Set

ACL Bearings 8B684A-STD standard connecting rod bearings deliver precision-engineered performance for demanding engine builds. These tri-metal bearings feature hardened steel backing for enhanced structural support and improved bearing retention in the housing, making them ideal for both street and performance applications.

Key Features:

• Tri-metal construction with hardened steel backing for superior durability
• High-strength overlay plate with reduced thickness for improved fatigue resistance
• Elimination of flash plating on bearing backs to maximize heat transfer and improve grip between bearing and housing
• Increased crush for improved bearing retention and stability
• Tight, consistent wall tolerances to help maintain precise bearing clearances
• Increased eccentricity to compensate for bore distortion at higher RPM operation
• Enlarged ID chamfers where required to accommodate performance crankshafts with large fillet radius

ACL Race Series bearings are recognized throughout the motorsports world for their exceptional combination of design, metallurgy, and engineering. These standard-size bearings provide the endurance and capability to perform in applications ranging from street builds to high-performance race engines.