ACL BMW M20 M50 M52 M54 Race connecting rod bearing 6B1490H

ACL Race connecting rod bearings for BMW engines

Boost the performance of your BMW M20, M50, M52, M54 series engine with the Australian-made ACL Race connecting rod bearing shells. Developed for the highest demands in terms of speed and load, they combine durability with top performance - your solution for extreme motorsport.

Features for maximum performance:

• Hardened steel back: improves bearing shell support, ideal for motorsport and high loads.
• Optimized heat transfer: Elimination of flash plating on the back improves heat dissipation, resulting in maximum adhesion between the bearing shell and housing.
• Extended ID chamfers: Bearing edges are specially extended for improved mounting and longevity.

Available in different sizes:

• Standard dimension (STD)
• Oversize (+0.25)
• Oversize (+0.50)

Technical specifications for the standard size:

• Crankshaft journal diameter: 44.975 mm to 44.991 mm
• Connecting rod eye diameter: 48.000 mm to 48.016 mm
• Bearing shell width: 18.00 mm
• Bearing shell thickness: 1.493 mm
• The bearing shells for the upper and lower side are designed identically for simplified installation.

Compatibility:
Suitable for a wide range of BMW engine types, including M20B20, M20B25, M20B27, M50B20, M50B25, M50B27, M52B20, M52B25, M52B28, M54B25, M54B22, M54B30, covering models with 2.0, 2.3, 2.5, 2.7, 2.8, 3.0 engine

If you want to give your BMW engine unsurpassed stability and performance, the ACL Race connecting rod bearing shells are your first choice. Ideal for motorsport applications and for drivers who want to get the most out of their vehicle.