Upper Main Bearings Only Coated 9pk

The MAHLE ORIGINAL/CLEVITE Upper Main Bearings Only Coated 9-pack is designed for mechanics and engine builders performing crankshaft maintenance and engine rebuilds. These upper main bearings are essential components that support the crankshaft's rotational forces, making them critical for maintaining engine performance. This nine-piece set is ideal for builders looking to replace only the upper shells while reusing lower halves or completing a full bearing set.

MAHLE ORIGINAL/CLEVITE coated bearings are constructed from precision-engineered copper-lead alloy with a proprietary coating that aims to reduce friction and enhance oil film strength. This design helps extend service life under sustained engine loads, ensuring that the bearings maintain proper journal clearance and oil flow dynamics. Each bearing is manufactured to meet OEM specifications, guaranteeing fitment consistency across all nine shells.

Engine builders, restoration shops, and performance mechanics can rely on this coated bearing set for street engines and high-mileage restorations. The integrity of these bearings is crucial for optimal engine performance, making them a valuable choice for those looking to maintain or enhance their engine's reliability.