The Speedmaster PCE235.1027.02 is a set of main bearings engineered for Chevy and GM LS-series engines, including the 4.8L, 5.3L, 5.7L, 6.0L, and 6.2L displacement variants. These bearings are essential internal engine components that support the crankshaft and maintain proper clearances during engine operation, making them critical for engine longevity and performance.
These LS main bearings provide reliable engine support and are suitable for both stock and modified engine builds where OEM-quality internal components are required. The bearing set is designed to fit the standard LS engine block architecture, ensuring proper crankshaft alignment and oil flow. Whether you're rebuilding an engine, replacing worn bearings, or assembling a performance LS platform, this bearing set delivers the precision fit needed for smooth, trouble-free operation.
Key Features & Benefits
- LS Engine Compatibility: Fits Chevy GM LS 4.8, 5.3, 5.7, 6.0, and 6.2L engines.
- Main Bearing Set: Complete set of crankshaft main bearings for engine block assembly.
- OEM-Quality Construction: Manufactured to meet factory specifications and tolerances.
- Engine Rebuild Ready: Ideal for complete engine rebuilds and bearing replacement applications.
Specifications
| Brand | Speedmaster |
| MPN | PCE235.1027.02 |
| Engine Application | Chevy GM LS 4.8L, 5.3L, 5.7L, 6.0L, 6.2L |
| Product Type | Main Bearing Set |
Ideal Applications
- Complete engine rebuilds and overhauls
- Crankshaft bearing replacement on worn engines
- High-performance LS engine builds
- Engine damage repair and restoration