4.100 MLS Head Gasket .030 - SBC

The 4.100 MLS Head Gasket .030 - SBC from Cometic Gaskets is a premium cylinder head gasket designed specifically for small block Chevy engines. This product is essential for engine builders, restoration specialists, and performance enthusiasts who require reliable sealing and long-term performance. Whether you are rebuilding a classic muscle car or assembling a high-performance street engine, this head gasket is critical for preventing coolant and combustion leakage.

Constructed from multi-layer steel (MLS), this gasket offers superior durability and heat resistance compared to traditional single-layer designs. The 4.100-inch bore specification is precisely engineered to match small block Chevy cylinder head port dimensions, ensuring optimal sealing around combustion chambers and coolant passages. The 0.030-inch compression thickness is designed to maintain proper valve timing geometry and combustion chamber volume, which are critical for cylinder head compatibility and engine performance tuning.

This head gasket is ideal for a range of small block Chevy applications, including 283, 305, 327, 350, and 400 cubic inch variants. Proper installation requires clean and resurfaced cylinder head and block mating surfaces to ensure the MLS gasket seats correctly and maintains compression. With its advanced construction, this gasket is perfect for those who demand OEM-quality sealing without compromises.