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Cometic MLS-5 head gasket for Chevrolet Gen-1 small-block V8 with a 4.200-inch round bore, .075-inch compressed thickness, and all steam holes. The gasket stacks embossed stainless-steel layers with Viton-coated outer faces and an uncoated center shim to meet thickness requirements. MLS design requires no sealants, is corrosion resistant, tolerates aluminum-to-iron and aluminum-to-aluminum contacts, maintains a torque set, and distributes clamp load to reduce bore distortion.
Cometic Chevy Small Block 4.200 inch Bore .075 inch MLS-5 Head Gasket (w/All Steam Holes)
