The ACL Main Bearings for the BMW M3 F80, M4 F8x and M2 Competition F87 They are manufactured in Australia from a tri-metal alloy consisting of tin, copper, and steel. This set of 7 pairs of bearings fits the crankshaft of the S55 engines without modifications. Available in OEM thickness (Std) or 0.25" thicker (+0.25") to compensate for the machining of a revised crankshaft. This complete package is ideal for the configuration of the most powerful forged engines.
Properties
- Direct mounting
- Kit of 7 pairs
- Tri-metal tin / copper / steel
- OEM thickness (Std) or +0.25" for machining adjustment
- Made in Australia
Technical specifications
- Material: Tri-metal tin, copper and steel
- Available thicknesses: OEM (Std) or +0.25"
Contents of the set
- ACL Main Bearings
- Set of 7 pairs of bearings
Frequently Asked Questions
What is the thickness of the bearings?
The bearings are available in OEM thickness (Std) or 0.25" thicker (+0.25").
Where are these bearings produced?
These bearings are produced in Australia.
Are any adjustments needed for the installation?
No, the bearings fit onto the crankshaft of the S55 engines without modifications.