King Engine Bearings CR4270AM030 Connecting Rod Bearing Oversize - 0.030

The King Engine Bearings CR4270AM030 is a precision-engineered connecting rod bearing designed for high-performance and OE replacement applications. This bearing features a +0.030 inch oversize specification for use with reground crankshafts, making it ideal for engine rebuilds and performance builds.

Key Features:

• Alecular bimetal construction with aluminum-silicon alloy on steel backing
• +0.030 inch oversize for reground crankshaft journals
• Superior embedability and wear resistance
• Precision "Bull's Eye" wall tolerance of ±0.0001 inches
• Sold individually (single bearing shell)
• Manufactured to OE specifications for proper fit and function

King Engine Bearings specializes exclusively in engine bearings, utilizing over 60 years of expertise to deliver exceptional quality. The Alecular material features a deep layer of proprietary alloy that provides superior embedability for dirt and debris, helping protect crankshaft journals. Each bearing undergoes strict quality control to maintain King's industry-leading tolerances, ensuring optimal oil clearance and bearing life in both street and performance applications.