Perfect Circle CB1663HC1 Coated Connecting Rod Bearing H-Series

The Perfect Circle CB1663HC1 is a high-performance coated connecting rod bearing designed for custom engine applications requiring precise bearing specifications. This H-Series bearing features an advanced protective coating that reduces friction and abrasive wear during engine operation.

Key Features:

• H-Series tri-metal construction with hardened steel backing, copper-lead alloy intermediate layer, and electroplated overlay
• Protective coating engineered to withstand extreme conditions in high-performance engines
• Medium level of eccentricity with high crush factor for optimal seating and retention
• Designed for custom applications with specific crankshaft journal sizing requirements
• Suitable for competition engines and high-RPM applications
• Thin overlay design maximizes load-carrying capacity up to 12,000 PSI

Perfect Circle bearings are manufactured by MAHLE/Clevite, a trusted name in engine components with decades of proven performance in racing and high-performance applications. The protective coating provides intermittent dry lubrication to help protect critical engine components during start-up and extreme operating conditions.