Perfect Circle CB663P10 Connecting Rod Bearing Set Undersize

The Perfect Circle CB663P10 is a precision-engineered connecting rod bearing set designed for high-performance and demanding engine applications. These bearings feature a steel-backed construction with an intermediate layer of copper-lead alloy and an electroplated lead-tin-copper overlay, providing excellent wear resistance and load-carrying capacity.

Key Features:

• 0.010 inch undersize crankshaft specification for precision machined journals
• Multi-layer construction: steel backing, copper-lead intermediate layer, and lead-tin-copper overlay
• P-Series design suitable for most OE replacement applications
• Ideal for engine rebuilds where more demanding use is anticipated
• Perfect for heavy-duty, motorsports, and street performance applications
• Sold as a pair for connecting rod installation

Perfect Circle bearings are manufactured to exacting tolerances and provide reliable protection for high-revving engines. The P-Series is the most versatile replacement bearing line, offering excellent performance across a wide range of applications from street use to performance rebuilds.