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The Cometic MLS head gasket for Chevrolet Gen-1 small block V8 is specified with a 4.100-inch bore and .040 inch thickness and features multiple embossed stainless steel layers with Viton-coated outer faces. MLS construction provides robust sealing for high-output engines, works for aluminum-to-aluminum and aluminum-to-cast-iron pairs, and distributes load across the sealing area without requiring sealants.
Cometic Chevy Small Block 4.100 inch Bore .040 inch MLS Head Gasket (w/All Steam Holes)
