Clevite CB743FND High-Performance Connecting Rod Bearing Big Block Chevy

The Clevite CB743FND is a high-performance tri-metal connecting rod bearing designed for big block Chevrolet V8 engines including 348, 366, 396, 402, 409, 427, 454, 496, and 502 cubic inch applications. This bearing features Clevite's renowned F-Series design optimized for extreme-duty racing applications.

Key Features:

• Tri-metal construction with hardened steel backing for maximum strength and durability
• Electroplated babbitt overlay provides superior slipperiness and conformability
• Narrow bearing design (N suffix) with increased chamfer clearance for oversized crankshaft fillets
• Dowel holes (D suffix) for use with aluminum connecting rods
• Standard size bearing for 2.200-inch rod journals
• Designed for high-RPM racing engines with severe operating conditions
• Enhanced oil retention and load-carrying capacity

Clevite 77 bearings are manufactured by MAHLE and represent the gold standard in performance engine bearings. The F-Series is specifically engineered for blown fuel and extreme competition applications where frequent inspection and replacement is recommended. Sold individually—order quantity required for your complete engine rebuild.