{"product_id":"gm-performance-parts-12617944-1-87-in-round-port-exhaust-manifold-h","title":"GM Performance Parts 12617944 1.87 in. Round Port Exhaust Manifold \u0026 H","description":"\u003cdiv\u003e\n\u003ch1\u003eGM Performance Parts 12617944 1.87 in. Round Port Exhaust Manifold \u0026amp; Header Gasket\u003c\/h1\u003e\n\u003cp\u003eUnlock optimal exhaust flow for GM LS-Series engines with the GM Performance Parts 12617944 1.87 in. Round Port Exhaust Manifold \u0026amp; Header Gasket. This multi-layered steel gasket is precision-engineered for a durable seal between the exhaust manifold and header, delivering reliable performance under heat and pressure.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cb\u003eSize\/Port:\u003c\/b\u003e 1.870\" round port for precise fit on LS-Series manifolds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eConstruction:\u003c\/b\u003e Multi-Layered Steel (MLS) for improved sealing and durability\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eCompatibility:\u003c\/b\u003e Designed for GM LS-Series engines\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eQuality:\u003c\/b\u003e GM Performance Parts delivers up-to-date design and high standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eBenefits include reducing exhaust leaks, supporting improved horsepower and throttle response, and providing a dependable seal for everyday driving and performance builds.\u003c\/p\u003e\n\n\u003cp\u003eReady to upgrade your LS build? \u003cb\u003eShop now\u003c\/b\u003e to secure this premium gasket and maximize your exhaust system efficiency.\u003c\/p\u003e    \u003c\/div\u003e","brand":"Van Hook's Garage","offers":[{"title":"MTRST80413","offer_id":46646717022466,"sku":"MTRST80413","price":21.81,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/9304\/5506\/files\/MTRST80413.jpg?v=1754351169","url":"https:\/\/vanhooksgarage.com\/products\/gm-performance-parts-12617944-1-87-in-round-port-exhaust-manifold-h","provider":"Van Hook's Garage","version":"1.0","type":"link"}