King Engine Bearings GM LS LV3 4.3L V6 Connecting Rod Bearing Set (Size 0.25)

These King Engine Bearings connecting rod bearings are built with a 0.25mm undersize, meaning they are designed to be used when the crankshaft journals have been machined down by 0.25mm during an engine rebuild. This specific sizing is crucial for ensuring proper oil clearance and optimal performance when working with a modified or worn crankshaft. They are intended for GM LS LV3 4.3L V6 engines, a popular choice for many truck and SUV applications.

King Engine Bearings uses a tri-metal material construction for these bearings, which offers a good balance of strength and conformability. This design helps them to effectively absorb shock loads and maintain oil film integrity, even under demanding conditions. The goal is to provide a well-built bearing that can handle the stresses of daily driving and occasional hard use, helping to protect your engine's rotating assembly.

When rebuilding an engine, using bearings that are precisely sized for the machined crankshaft is essential for long-term reliability. This set, being 0.25mm undersize, is a direct replacement for engines where the crankshaft has undergone that specific machining process. Always refer to your engine's service manual for correct clearance specifications and installation procedures.