ACL Bearings 6B1584H-.025 Race Series Rod Bearings for BMW N54/N55/S55B30 3.0L Inline 6

The ACL Race Series rod bearings are engineered for high-performance BMW N54, N55, and S55B30 3.0-liter inline-six engines. These bearings feature ACL's advanced Race Series construction, designed to withstand the extreme loads and temperatures encountered in racing and high-output turbocharged applications.

Key Features:

• Undersize bearing set (.025" undersize) for precision fitting on reground crankshafts
• Race Series tri-metal construction with high-strength steel backing
• Advanced polymer overlay for superior wear resistance and load capacity
• Optimized oil clearances for high-RPM operation and maximum protection
• Direct replacement for BMW N54, N55, and S55B30 3.0L turbo engines
• Designed for forced induction and high-boost applications

ACL Race Series bearings are manufactured to exacting tolerances and provide the durability required for extreme performance builds, drag racing, road racing, and high-horsepower street applications. The .025" undersize dimension allows for proper bearing clearance when crankshafts have been machined for repair or performance modifications.