{"product_id":"ultra-seal-header-gaskets-fits-1965-1990-chevrolet-396-454-mark-iv-big-block-round-ports-1-92-inch-mr-gasket","title":"Ultra-Seal Header Gaskets Fits 1965-1990 Chevrolet 396-454 Mark IV Big Block Round Ports, 1.92 Inch Mr Gasket","description":"\u003cp\u003eManufactured from high-temperature steel core\/graphite faced exhaust material. Expanded steel core provides stability and maximum torque retention to eliminate Gasket failure.\u003c\/p\u003e \u003cp\u003eGraphite facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head. Conforms to and seals minor surface irregularities.\u003c\/p\u003e \u003cp\u003eHigh recovery material allows header or manifold flange to stay sealed if flange loses clamp-load. Can be trimmed if necessary for modified port applications.\u003c\/p\u003e \u003cp\u003eFor original equipment replacement, high performance street, drag race and oval track use.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eHas A Steel Core With Graphite Facing\u003c\/li\u003e \u003cli\u003eGraphite Facing Has Excellent Thermo-conductivity\u003c\/li\u003e \u003cli\u003eCan Be Trimmed If Necessary For Modified Port App\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eDetails:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eCollector Gaskets Included: No\u003c\/li\u003e \u003cli\u003eEmission Code: 5\u003c\/li\u003e \u003cli\u003eGasket Line: Ultra-Seal\u003c\/li\u003e \u003cli\u003eMaterial: Ultra-seal\u003c\/li\u003e \u003cli\u003ePort Shape: Round\u003c\/li\u003e \u003cli\u003ePort Size: 1.92\u003c\/li\u003e \u003cli\u003eWarranty: Manufacturer's Limited 90 Day Warranty\u003c\/li\u003e \u003c\/ul\u003e","brand":"Mr Gasket","offers":[{"title":"Default Title","offer_id":48574886707428,"sku":"5911","price":43.24,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0707\/6855\/8308\/files\/5911-BCZG.jpg?v=1774347618","url":"https:\/\/jeeperz-creeperz.com\/products\/ultra-seal-header-gaskets-fits-1965-1990-chevrolet-396-454-mark-iv-big-block-round-ports-1-92-inch-mr-gasket","provider":"Jeeperz Creeperz, Inc.","version":"1.0","type":"link"}