Speedmaster PCE235.1005.01 Chevy SBC 350 STD Main Bearings Large Journal

The Speedmaster PCE235.1005.01 main bearing set is engineered for Chevrolet small block engines with large journal cranks, including 262, 265, 267, 302, 305, 307, 327, 350, and 383 cubic inch applications. These standard size main bearings provide a direct replacement solution for engine rebuilds and freshening.

Key Features:

• Silicon aluminum bi-metal construction for enhanced durability
• High fatigue strength resists bearing failure under load
• Superior temperature threshold for extreme operating conditions
• Dramatically reduced bearing wear compared to conventional materials
• Large journal specification (2.450" diameter)
• Standard (STD) size for unworn or standard-size machined crankshafts

Silicon aluminum bearing material is the preferred choice of modern engine manufacturers due to its exceptional performance characteristics. This advanced alloy provides improved load-carrying capacity and thermal stability, making these bearings ideal for street performance and stock replacement applications. Complete main bearing set includes all bearings needed for a full small block Chevy installation.