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This Cometic MLS head gasket suits GM LS Gen‑3/4 small block V8 engines with a 4.060" bore and .040" compressed thickness. Constructed from multiple embossed stainless steel layers with Viton coating on the outer surfaces, the gasket is designed to seal without additional sealants, tolerate differential movement between heads and blocks, and distribute clamp load evenly to reduce bore distortion in high‑output LS applications.
Cometic GM LS1 SB 4.060 inch Bore .040 inch MLS Head Gasket
