2017-2020 GM 6.6L Duramax Standard Port Stainless Steel Exhaust Manifold Gasket (1 pc)

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Multi-layered 301 stainless steel gaskets create a tight seal between the Exhaust Manifolds and 6.6L GM Duramax engine. PPE Manifold Gaskets are designed to fit both PPE High-Flow Exhaust Manifolds and GM OEM manifolds.