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Cometic MLS head gasket for GM L18 Vortec 8100 Gen-VII big block V8 (.045" compressed thickness) with 4.350" bore (right side) features embossed stainless steel outer layers coated with Viton for robust sealing. The multi-layer build provides strength and rebound, suitable for high-output engines and mixed-material head/block combinations. This gasket evens load distribution, reduces clamp load needs and resists corrosion without requiring sealants.
Cometic GM L18 Vortec 8100 Gen-VII Big Block V8 .045in MLS Cylinder Head Gasket - 4.350in Bore - RHS
