King Engine Bearings Chevrolet 396/400/427/502 (Undersize 0.40in) SI-Series Main Bearing Set

Built with a lead-free, environmentally safe composite on a bi-metal aluminum base, these King Engine Bearings SI-Series Main Bearings are a solid option for medium-load Chevrolet engines. This set is specifically sized at 0.040 inches undersize, which is important when rebuilding or refreshing an engine where the crankshaft journals have been machined down to match this size. King has been specializing in engine bearings since 1960, focusing on supplying well-built components for a wide range of applications.

This main bearing set is designed for Chevrolet big-block engines like the 396, 400, 427, and 502, covering Gen IV, V, and VI engine families. They fit a broad spectrum of vehicles, including models like the Chevrolet C10 Pickup from 1968-1974, the Chevrolet Camaro from 1967-1972, and the Chevrolet Corvette from 1965-1974, among many others. When you're working on these engines, ensuring you have the right bearing size is critical for proper oil clearance and long-term performance.