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The Cometic MLS cylinder head gasket for Chevrolet Gen‑1 Small Block V8 (4.165" bore, 0.140" compressed thickness) fits round‑bore, 18/23° heads and includes steam holes. Constructed from multiple embossed stainless layers with Viton/AMP coatings and an uncoated shim core, the gasket offers rebound, corrosion resistance and controlled sealing thickness. It seals aluminum-to-aluminum or aluminum-to-iron joints without sealants and helps even load distribution to limit bore distortion.
Cometic Chevy Small Block 4.165 inch Bore .140 inch MLS Head Gasket (w/All Steam Holes)
