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The Cometic top-end gasket kit for Midwest El Bruto with a 4.00‑inch bore includes a .040in head gasket and is specified to require less clamp load. The gaskets conform load distribution across the sealing area to help reduce bore distortion and avoid additional sealants or re-torque. Cometic supports the design with in‑house testing to maintain dependable sealing for top-end rebuilds.
Cometic Midwest El Bruto 4in Bore Top End Gasket Kit w/ .040 Head Gasket
