{"product_id":"sce-gaskets-sbc-lt-1-lt-4-graph-form-1-8-thk-exh-gaskets","title":"SCE Gaskets SBC Exhaust Gasket Set D-Port 1.450x1.370 — Fits GM LT1\/LT4 Gen-II","description":"\u003cdiv style=\"background:#f7f7f7;border-left:4px solid #c00000;padding:14px 18px;margin:0 0 18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;font-size:1.1em;\"\u003eAbout SCE Gaskets\u003c\/h3\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.55;\"\u003eSCE Gaskets engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full SCE Gaskets lineup with fast shipping and expert fitment support — order with confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"margin:24px 0 8px;\"\u003eWatch in action\u003c\/h3\u003e\u003cdiv style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:0 0 18px;border-radius:6px;\"\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/9i1KegvfaTA\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen loading=\"lazy\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003ePrecision Sealing for GM LT-Series Engines\u003c\/h2\u003e\u003cp\u003eAchieve a leak-free exhaust seal with the SCE Gaskets SBC Exhaust Gasket Set. Engineered specifically for GM LT1 and LT4 Gen-II engines, these gaskets feature a D-Port design measuring 1.450 x 1.370 inches. When you are pushing your engine to the limit, you need a gasket that can withstand extreme heat and pressure without blowing out. SCE Gaskets delivers the reliability required for high-performance street and track applications.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications and Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e High-quality, 0.150-inch thick graphite construction for superior heat resistance and sealing properties.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment:\u003c\/strong\u003e Precision-cut for GM LT-Series engines with D-Port cylinder heads.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability:\u003c\/strong\u003e Designed to resist thermal cycling and prevent exhaust leaks that can sap power and damage your engine bay.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e Sold as a pair to complete both sides of your V8 engine.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eExhaust leaks are more than just a noise issue; they can cause inaccurate O2 sensor readings and performance loss. These graphite gaskets conform to minor surface irregularities on your exhaust manifold or header flanges, providing a superior seal compared to standard paper or metal gaskets. Whether you are performing a routine engine refresh or a full performance build, trust these SCE gaskets to keep your exhaust system sealed tight. Find all your engine sealing solutions at GGCRACING.\u003c\/p\u003e\n\u003cdiv style=\"margin:24px 0;border-top:1px solid #eee;padding-top:18px;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOften bought with\u003c\/h3\u003e\n\u003cp style=\"font-size:0.9em;color:#555;margin:0 0 8px;\"\u003eOther popular SCE Gaskets products customers consider together:\u003c\/p\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/bbc-copper-head-gasket-4-570-x-062\" style=\"color:#0066cc;text-decoration:none;\"\u003eSCE Gaskets Pro Copper Head Gasket 4.570 Bore x .062 Thick — Fits Big Block Chevy Engines\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/spartan-mls-head-gasket-bbc-4-630-bore-x-051\" style=\"color:#0066cc;text-decoration:none;\"\u003eSCE Gaskets Spartan MLS Head Gasket 4.630 Bore — Fits Big Block Chevy\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/spartan-mls-head-gasket-bbf-fe-4-325-x-039\" style=\"color:#0066cc;text-decoration:none;\"\u003eSCE Gaskets Spartan MLS Head Gasket 4.325 x .039 — Fits Ford FE-Series\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/sbc-copper-head-gasket-4-060-x-080\" style=\"color:#0066cc;text-decoration:none;\"\u003eSCE Gaskets P110680 Pro Copper Head Gasket — SBC 4.060\" Bore x .080\" Thick\u003c\/a\u003e\u003c\/li\u003e\n\u003cli style=\"margin:4px 0;\"\u003e\u003ca href=\"https:\/\/ggcracing.com\/products\/bbc-copper-head-gasket-4-380-x-080\" style=\"color:#0066cc;text-decoration:none;\"\u003eSCE Gaskets Pro Copper Head Gasket 4.380 x .080 — Fits Big Block Chevy\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"SCE Gaskets SBC Exhaust Gasket Set D-Port 1.450x1.370 \\u2014 Fits GM LT1\/LT4 Gen-II\",\"description\":\"Seal your exhaust system perfectly with SCE Gaskets D-Port Exhaust Gaskets for GM LT1\/LT4 engines. High-temp graphite construction at GGCRACING.\",\"brand\":{\"@type\":\"Brand\",\"name\":\"SCE Gaskets\"},\"mpn\":\"411187\",\"url\":\"https:\/\/ggcracing.com\/products\/sce-gaskets-sbc-lt-1-lt-4-graph-form-1-8-thk-exh-gaskets\",\"offers\":{\"@type\":\"Offer\",\"price\":\"33.20\",\"priceCurrency\":\"USD\",\"availability\":\"https:\/\/schema.org\/InStock\",\"url\":\"https:\/\/ggcracing.com\/products\/sce-gaskets-sbc-lt-1-lt-4-graph-form-1-8-thk-exh-gaskets\",\"sku\":\"BHMS_411187\"}}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/ggcracing.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Exhaust\",\"item\":\"https:\/\/ggcracing.com\/collections\/exhaust\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"SCE Gaskets\",\"item\":\"https:\/\/ggcracing.com\/collections\/vendors?q=SCE+Gaskets\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"SCE Gaskets SBC Exhaust Gasket Set D-Port 1.450x1.370 \\u2014 Fits GM LT1\/LT4 Gen-II\",\"item\":\"https:\/\/ggcracing.com\/products\/sce-gaskets-sbc-lt-1-lt-4-graph-form-1-8-thk-exh-gaskets\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Does the SCE Gaskets SBC Exhaust Gasket Set D-Port 1.450x1.370 \\u2014 Fits GM LT1\/LT4 Gen-II fit my vehicle?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Compatibility depends on your exact year, make, and model. Contact our experts at GGCRACING with your VIN and we'll verify before you order.\"}},{\"@type\":\"Question\",\"name\":\"How long is shipping for SCE Gaskets?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Most in-stock items ship same or next business day. Free shipping on orders over $99 in the continental US. Tracking is provided via email as soon as your order leaves our warehouse.\"}},{\"@type\":\"Question\",\"name\":\"How do I install the SCE Gaskets SBC Exhaust Gasket Set D-Port 1.450x1.370 \\u2014 Fits GM LT1\/LT4 Gen-II?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Cat-back exhausts are bolt-on with basic hand tools \\u2014 most installs take 1-2 hours. No welding required.\"}}]}\u003c\/script\u003e","brand":"SCE Gaskets","offers":[{"title":"Default Title","offer_id":41412661182548,"sku":"BHMS_411187","price":33.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/3210\/2484\/files\/SCE411187.jpg?v=1731903819","url":"https:\/\/ggcracing.com\/en-co\/products\/sce-gaskets-sbc-lt-1-lt-4-graph-form-1-8-thk-exh-gaskets","provider":"GGCRACING INC","version":"1.0","type":"link"}