Clevite CB743FXN High-Performance Connecting Rod Bearing Big Block Chevy

The Clevite CB743FXN is a high-performance F-Series connecting rod bearing designed for Big Block Chevrolet engines including 348, 366, 396, 402, 409, 427, 454, and 496ci (8.1L) applications. This bearing features Clevite's advanced TriMetal construction with a lead-indium overlay for superior performance and durability in demanding engine builds.

Key Features:

• F-Series design with lead-indium overlay for enhanced wear resistance
• Extra clearance (X suffix) provides additional 0.001" oil clearance for high-performance applications
• Narrowed bearing width (N suffix) for greater crankshaft fillet clearance
• TriMetal construction with hardened steel backing and precision thin overlay
• Standard journal size for factory-spec crankshafts
• Ideal for street performance, heavy-duty, and motorsports applications

Clevite bearings are manufactured by MAHLE and are trusted by engine builders worldwide for their engineering quality and durability. The F-Series bearings offer excellent performance characteristics for engines running in medium to high RPM ranges. Sold individually.