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Cometic MLS head gasket for GM L18 Vortec 8100 Gen-VII big block V8 (.040" compressed thickness) with 4.450" bore (right side) uses embossed stainless steel layers coated with Viton to deliver stable sealing in demanding environments. The multi-layer design rebounds under load and copes with different surface finishes. This gasket evens sealing loads, cuts clamp load needs and resists corrosion while eliminating sealant requirements.
Cometic GM L18 Vortec 8100 Gen-VII Big Block V8 .040in MLS Cylinder Head Gasket - 4.450in Bore - RHS
