Speedmaster Chevy SBC 350 STD Main Bearings Large Journal 262–383 PCE235.1005.01

The Speedmaster Chevy SBC 350 STD Main Bearings (Large Journal, PCE235.1005.01) are precision engine bearings engineered for small-block Chevrolet applications. These standard-size main bearings deliver reliable support for crankshaft rotation and are compatible with a broad range of SBC engines including the 262, 265, 267, 302, 305, 307, 327, and 383 cubic-inch variants. The large journal design ensures proper fit and critical load distribution in high-performance and daily-drive builds alike.

These bearings are an essential replacement or upgrade component for engine rebuilds, machine shop work, and performance assembly. Whether you're restoring a classic block or refreshing a used engine platform, Speedmaster main bearings provide the durability and precision fit required for long-term reliability. Direct fitment across multiple SBC displacements makes them a versatile choice for builders and technicians working with these proven Chevrolet small-block architectures.

Key Features & Benefits

• SBC Large Journal: Designed for large journal crankshafts across standard small-block Chevrolet applications.
• Multi-Engine Compatibility: Fits 262, 265, 267, 302, 305, 307, 327, and 383 cubic-inch SBC variants.
• Standard Size: STD (standard) sizing for original-specification engine rebuilds and restorations.
• Precision Engineering: Engineered for reliable crankshaft support and proper load distribution.

Specifications

Ideal Applications

• Engine rebuilds and machine shop assembly for small-block Chevy platforms
• Classic car and muscle car engine restoration projects
• Performance engine builds requiring OEM-specification bearing fitment
• Used engine refreshes and block reconditioning