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Cometic MLS cylinder head gasket for Pontiac 428/455 V8, 4.380" bore and .036" compressed thickness, uses multiple embossed stainless steel layers with outer Viton-coated surfaces. The multilayer steel construction resists corrosion, rebounds under load and tolerates shearing between dissimilar head/block materials, making it suitable for aluminum-to-aluminum or aluminum-to-iron applications. MLS design provides reliable sealing without sealants and improved load distribution across the sealing area.
Cometic Pontiac 428 / 455 V8 4.380in Bore .036in MLS Head Gasket
