ACL Main Bearing Set to suit Ford Barra 4.0L Inline 6 7M2094H ( 360 Degree Thrust Set )
- High-Performance Trimetal Engine Bearings
- Designed to Withstand Higher RPM Conditions
- High Strength Overlay Plate With Reduced Thickness for Improved Fatigue Properties
- Hardened Steel Backs on All Rod Bearings to Improve Bearing Lining & Retention
In a piston engine, the main bearings are the bearings that hold the crankshaft in place and allow it to rotate within the engine block. Main bearings are usually plain bearings or journal bearings held by the engine block and bearing caps.