{"product_id":"ultra-seal-head-283-400-chevrolet-small-block-gen-i-1957-1991-fits-1970-1979-chevrolet-400-gen-i-small-block-bore-4-190-inch-mr-gasket","title":"Ultra-Seal Head 283-400 Chevrolet Small Block Gen I 1957-1991 Fits 1970-1979 Chevrolet 400 Gen I Small Block Bore 4.190 Inch Mr Gasket","description":"\u003cp\u003eMr. Gasket Ultra-Seal Head Gaskets are a five layer (graphite core\/perforated steel outer layers) composite construction.\u003c\/p\u003e \u003cp\u003eThe graphite core has excellent thermoconductivity (transfers heat) away from hot spots in head preventing Gasket burn-out. They provide excellent stability, compressibility and high temperature endurance.\u003c\/p\u003e \u003cp\u003eA high temperature silicone coating ensures sealing of engine fluids. Compatible with cast iron or aluminum heads, they will not brinell (indent) aluminum cylinder heads.\u003c\/p\u003e \u003cp\u003eSuitable for high performance street, drag race and oval track use. Sold individually.Gasket Bore 4.190 inch, Compressed thickness 0.038 inch\u003c\/p\u003e \u003cul\u003e \u003cli\u003eFive layer (graphite core\/perforated steel outer layers) composite construction\u003c\/li\u003e \u003cli\u003eGraphite core has excellent thermo-conductivity-transfers heat away from hot spots in head preventing Gasket burn-out\u003c\/li\u003e \u003cli\u003eProvides excellent stability, compressibility and high temperature endurance\u003c\/li\u003e \u003cli\u003eCoated with high temperature silicone to ensure sealing of engine fluids\u003c\/li\u003e \u003cli\u003eWill not brinell (indent) aluminum cylinder heads\u003c\/li\u003e \u003cli\u003eFor high performance street, drag race and oval track use\u003c\/li\u003e \u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eDetails:\u003c\/strong\u003e\u003c\/p\u003e \u003cul\u003e \u003cli\u003eEngine: Small Block Chevy\u003c\/li\u003e \u003cli\u003eCompressed Thickness: 0.038\u003c\/li\u003e \u003cli\u003eCompression Ratio: Up to 14:1\u003c\/li\u003e \u003cli\u003eEmission Code: 5\u003c\/li\u003e \u003cli\u003eGasket Bore: 4.19\u003c\/li\u003e \u003cli\u003eGasket Line: Ultra-Seal\u003c\/li\u003e \u003cli\u003eMaterial: Graphite Steel\u003c\/li\u003e \u003cli\u003eQuantity Per Pkg.: 1\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":48574885167332,"sku":"5801G","price":74.15,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0707\/6855\/8308\/files\/5801G-BCZG.jpg?v=1774347321","url":"https:\/\/jeeperz-creeperz.com\/products\/ultra-seal-head-283-400-chevrolet-small-block-gen-i-1957-1991-fits-1970-1979-chevrolet-400-gen-i-small-block-bore-4-190-inch-mr-gasket","provider":"Jeeperz Creeperz, Inc.","version":"1.0","type":"link"}