Perfect Circle CB1238A6 Connecting Rod Bearing Set Standard Size 6-Pack

The Perfect Circle CB1238A6 is a premium connecting rod bearing set designed for GM 2.8L, 3.1L, and 3.4L V6 engines. This set includes 6 precision-manufactured aluminum bi-metal bearings, providing enough components for a complete V6 engine rebuild or repair.

Key Features:

• Lead-free aluminum silicon bi-metal construction for superior durability
• Standard size bearing dimensions for stock crankshaft journals
• 100% bored inside diameters ensure precision fit and optimal surface characteristics
• Enhanced silicon content provides better journal surface conditioning
• Greater wear and seizure resistance compared to traditional bearing materials
• Manufactured to meet or exceed OE specifications

Perfect Circle bearings have been a trusted name in engine components since 1929, offering professional-grade quality for engine rebuilds, restorations, and performance applications. The aluminum bi-metal design delivers excellent conformability, embedability, and fatigue resistance for long-lasting engine protection.