Description

Main bearing wear is one of the most common failure points in high-mileage or high-boost engines—allowing clearance creep to develop and compromising oil pressure and engine longevity. The MS-429H Main Bearing Set delivers precision tolerances and durable construction specifically engineered for H-Series Small Block Chevy applications, ensuring reliable performance whether you’re building a street engine or a race-focused platform. Install with confidence knowing every component in this comprehensive kit meets OEM specifications for a correct fit and optimal load distribution.