Speedmaster PCE351.1002 Chevy SBC 350 Silicone Rear Main Seal

The Speedmaster PCE351.1002 is a premium silicone rear main seal engineered for Chevy SBC 350 engines. This single-piece design provides a reliable oil seal solution for engine blocks requiring OEM-equivalent performance and durability in high-temperature engine environments.

Constructed from durable silicone material, this rear main seal is designed to withstand engine operating pressures and thermal cycles while maintaining an effective barrier against oil leakage. The seal is compatible with Chevy SBC 350 engine applications and serves as a direct replacement component for restoration, repair, and performance build projects. Whether rebuilding an engine block or addressing oil seepage issues, this silicone rear main seal delivers trusted sealing performance.

Key Features & Benefits

• Silicone Construction: Engineered from silicone material for durability and temperature resistance in engine applications.
• SBC 350 Specific: Designed as a direct replacement for Chevy small-block 350 engine rear main seal applications.
• Single-Piece Design: One-piece configuration simplifies installation and provides consistent sealing performance.
• OEM Replacement: Delivers engine block sealing performance comparable to original equipment specifications.

Specifications

Ideal Applications

• Engine block rebuild and restoration projects
• Oil leak repair on SBC 350 engines
• Performance engine assembly and gasket kits
• Original equipment replacement in small-block Chevy engines