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Cometic MLS cylinder head gasket for GM LS Gen-3/4 small-block V8 engines with a 4.130-inch bore and 0.030-inch compressed thickness. Multiple embossed stainless steel layers with Viton-coated outer faces provide robust sealing without sealants. The uncoated center shim supports thickness tuning; MLS design evens load across the sealing area, copes with dissimilar-material shearing, lowers clamp load requirements and helps limit bore distortion. Viton coating rated to 250°C (482°F).
Cometic GM LS1 SB 4.130 inch Bore .030 inch MLS Head Gasket
