The ACL main bearings for the BMW M3 F80, M4 F8x and M2 Competition F87 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 any modifications. Available in OEM thickness (Std) or 0.25" thicker (+0.25") to compensate for the machining of a revised crankshaft. This complete kit is ideal for configuring the most powerful forged engines.
Features
- direct fit
- Set 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 (Standard) or +0.25"
Contents of the set
- ACL Main bearings
- Set of 7 pairs of bearings
- Installation instructions
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 manufactured?
These bearings are manufactured in Australia.
Do they require any modifications for installation?
No, the bearings fit the crankshaft of S55 engines without any modifications.
