Clevite CB1221M10 Connecting Rod Bearing Set .010 Undersize

The Clevite CB1221M10 is a precision-engineered connecting rod bearing set designed for engine rebuilds requiring .010 inch undersize bearings. Part of Clevite's M-Series lineup, these bearings feature steel-backed construction with a Micro-Babbitt lining for enhanced durability and performance.

Key Features:

• Steel backing provides exceptional strength and structural integrity
• Micro-Babbitt lining delivers superior wear resistance and seizure protection
• .010 inch undersize specification for machined crankshafts
• Precision manufacturing ensures proper crush and oil clearance
• 100% lead-free construction meets modern environmental standards
• Enhanced heat transfer characteristics for reliable operation

Clevite has been the trusted choice for engine builders since 1948, with proven performance in both professional motorsports and street applications. These connecting rod bearings are manufactured to exacting tolerances to provide optimal journal surface conditioning and extended service life. The Micro-Babbitt overlay offers excellent conformability and embedability while maintaining low friction operation under demanding conditions.