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This Cometic MLS cylinder head gasket fits Pontiac 326/389/421 V8 engines with a 4.300in bore and .030in thickness. Incorporating embossed outer stainless layers and an uncoated center shim, the gasket offers improved rebound, corrosion resistance and load distribution. The MLS construction reduces required clamp load and bore distortion, providing dependable sealing for higher-output or rebuilt Pontiac V8 applications.
Cometic Pontiac 326/389/421 V8 .030in MLS Cylinder Head Gasket - 4.300in Bore
