Chevy SBC 350 Timing Cover Gasket Set with Seal They use silicon aluminum bi-metal

They use silicon aluminum bi-metal construction

It is designed to hold the amount of oil that is needed to lubricate the engine when it is running

Speedmaster crankcase evacuation systems are primarily drag race systems designed to reduce pressure buildup in the engine crankcase

These forged steel axles are designed to fit a range of applications and are non-tapered with hardened bearing seats

Chevy SBC 350 Timing Cover Gasket Set with Seal They use silicon aluminum bi-metalSeal your timing cover with these timing cover gaskets from PCE. Sold in kits, these gaskets are made of a cellulose nirile material for a good seal.