Perfect Circle CB743FN F-Series Connecting Rod Bearing Big Block Chevy

The Perfect Circle CB743FN is a premium F-Series connecting rod bearing designed for Big Block Chevy V8 engines including 348, 366, 396, 402, 409, 427, 454, 496, 502, and larger displacement applications. These bearings feature advanced tri-metal construction engineered to meet the demanding requirements of modern high-performance engines.

F-Series Technology:

• Tri-metal design with lead-tin-indium-alumina electroplated overlay
• Cast bronze-lead substrate for maximum performance and reliability
• Industry-leading load carrying and thrust load capability
• Advanced ramp and pad thrust face design for increased oil pressure and cooling
• Superior lubrication to thrust wear surfaces compared to conventional flat thrust surfaces

Key Features:

• Standard size for 2.100-inch rod journals
• Precision-engineered for optimal fit and clearance
• Enhanced durability for street performance and racing applications
• Reduces friction and wear for smoother engine operation
• Ideal for engine rebuilds, performance upgrades, and racing engines

Perfect Circle F-Series bearings represent the latest advancement in bearing technology, delivering exceptional reliability under the high demands of performance engines. These bearings are trusted by engine builders for their precision fit, load capacity, and long-lasting durability.