Hot Rods Bearing - 40 x 50 x 21.8 KU

This is a Hot Rods connecting rod bearing, specifically the B139 model. It's designed for engine rebuilds where precise tolerances and durable components are essential. The bearing features a case-hardened construction for improved strength and wear resistance, along with a silver coating on the big end (KU) for enhanced lubrication and smoother operation. This attention to detail helps ensure reliable performance for your engine's rotating assembly.

When you're rebuilding an engine, the connecting rod bearings are critical for the crankshaft's smooth rotation. This particular bearing is built with a focus on durability, using a case hardening process that makes the surface tough. The added silver coating on the big end is a practical touch that helps reduce friction during initial startup and throughout the engine's life, especially important in high-performance or performance-rebuilt engines. It's a well-built component that aims to meet the demands of a refreshed engine.