{"product_id":"bb-chevy-exhust-gasket","title":"Ultra-Seal Header Gaskets Fits 1965-1990 Chevrolet 396-454 Mark IV Big Block Square Ports, 2.09 Inch Mr Gasket","description":"\u003cp\u003e\u003cb\u003ePart #:\u003c\/b\u003e 5913\u003c\/p\u003e\u003cp\u003eManufactured from high-temperature steel core\/graphite faced exhaust material. Expanded steel core provides stability and maximum torque retention to eliminate Gasket failure.Graphite facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head. Conforms to and seals minor surface irregularities.High recovery material allows header or manifold flange to stay sealed if flange loses clamp-load. Can be trimmed if necessary for modified port applications.For original equipment replacement, high performance street, drag race and oval track use.Manufactured from high-temperature steel core\/graphite faced exhaust materialExpanded steel core provides stability and maximum torque retention to eliminate Gasket failureGraphite impregnated facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder headConforms to and seals minor surface irregularitiesCan be trimmed if necessary for modified port applicationsFor OE replacement, high performance street, drag race and oval track useDetails:Collector Gaskets Included: NoEmission Code: 5Gasket Line: Ultra-SealMaterial: Ultra-sealPort Shape: SquarePort Size: 2.09 x 2.09Warranty: Manufacturer's Limited 90 Day Warranty\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eManufactured from high-temperature steel core\/graphite faced exhaust material\u003c\/li\u003e\n\u003cli\u003eExpanded steel core provides stability and maximum torque retention to eliminate gasket failure\u003c\/li\u003e\n\u003cli\u003eGraphite impregnated facing provides excellent heat resistance and thermal conductivity to transfer heat away from the cylinder head\u003c\/li\u003e\n\u003cli\u003eConforms to and seals minor surface irregularities\u003c\/li\u003e\n\u003cli\u003eCan be trimmed if necessary for modified port applications\u003c\/li\u003e\n\u003cli\u003eFor OE replacement, high performance street, drag race and oval track use\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eExhaust Manifold \/ Header Gasket - Ultra-Seal - 2.090 x 2.090 in Square Port - Steel Core Laminate - Big Block Chevy - Pair\u003c\/p\u003e","brand":"Mr. Gasket","offers":[{"title":"Default Title","offer_id":51827671990584,"sku":"M00S 5913","price":239.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/horsepower-asset-522285-977538-square_3a29114a-59d4-4b0a-8ca6-2ef19500cc1a.webp?v=1774558003","url":"https:\/\/store.motormia.co\/products\/bb-chevy-exhust-gasket","provider":"MOTORMIA","version":"1.0","type":"link"}