{"product_id":"speed-engineering-ls-swap-1-3-4-shorty-headers-1955-1974-gm-car","title":"SPEED ENGINEERING LS SWAP 1-3\/4\" SHORTY HEADERS 1955-1974 GM CAR","description":"\u003cp\u003e\u003cspan\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003e**NOTE:\u003c\/strong\u003e \u003c\/span\u003eThese headers are not EPA certified and do not carry a CARB approval.  They are intended for competition use only and are not eligible to ship to California under any circumstance.  \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003e\u003cstrong class=\"red\"\u003eWARNING: \u003c\/strong\u003e\u003c\/strong\u003e\u003c\/span\u003eThis is a RACE ONLY product manufactured and sold for installation on vehicles to be used solely for competition purposes. Once this part is installed, the vehicle may never be used, or registered or licensed for use, on a public road or highway. If you install this part on your vehicle and use the vehicle on a public road or highway, you will violate the Clean Air Act 203(a)(3), 42 U.S.C, 7522(a)(3) and may be subject to personal civil or criminal liability, including fines of up to $4,819 per day.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eSpeed Engineering headers are made out of 304 stainless steel and offer great quality, performance, and affordability. Their headers are mandrel bent, tig welded, and feature natural stainless steel construction. Speed Engineering's headers have been dyno proven and they stand behind their headers in saying you will not find a better fitting, quality built, budget header for your vehicle.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eSpeed Engineering's headers have improved features over competitors. They utilize V-Band collector construction, merge spikes, port matched flanges, and improved header to block\/chassis clearance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures Include:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMandrel Bent Tubing\u003c\/li\u003e\n\u003cli\u003eFull 1 3\/4\" Primaries\u003c\/li\u003e\n\u003cli\u003e3\" Collector\u003c\/li\u003e\n\u003cli\u003eV-Band Collector Construction \u003c\/li\u003e\n\u003cli\u003eCollector Merge Spikes\u003c\/li\u003e\n\u003cli\u003ePort Matched Flanges\u003c\/li\u003e\n\u003cli\u003eGains over 18+ rwhp\u003c\/li\u003e\n\u003cli\u003eV8 Engines Only\u003c\/li\u003e\n\u003cli\u003e4.8L, 5.3L, 5.7L, 6.0L, 6.2L, LS1, LS2, LS3, LS6, LSA Engines\u003c\/li\u003e\n\u003cli\u003eCNC Machined Flanges\u003c\/li\u003e\n\u003cli\u003eNatural 304 Stainless Steel\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e For LS series engine swaps only. These do not work on standard SBC or BBC.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Speed Engineering spark plug wires, or a similar designed spark plug wire will be needed for proper clearance.\u003cbr\u003e\u003cbr\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003eNote: If using a larger 4L80E or older Turbo 350\/400 transmission the bellhousing ears may need to be trimmed for proper clearance. These headers are tucked in tight due to narrow older frame clearance.\u003c\/strong\u003e\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eVehicle Applications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1955-1957 Chevrolet Bel Air \u0026amp; Nomad\u003c\/li\u003e\n\u003cli\u003e1967-1969 Chevrolet Camaro (Fits Factory Steering Box)\u003c\/li\u003e\n\u003cli\u003e1968-1974 Chevrolet Nova (Fits Factory Steering Box)\u003c\/li\u003e\n\u003cli\u003e1965-1970 Chevrolet Impala B Body (Fits Factory Steering Box)\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable class=\"data-table\" id=\"product-attribute-specs-table\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"first odd\"\u003e\n\u003cth class=\"label\"\u003ePart Number\u003c\/th\u003e\n\u003ctd class=\"data last\"\u003e25-1161\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"odd\"\u003e\n\u003cth class=\"label\"\u003ePart Type\u003c\/th\u003e\n\u003ctd class=\"data last\"\u003eShorty Headers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"even\"\u003e\n\u003cth class=\"label\"\u003eBrand\u003c\/th\u003e\n\u003ctd class=\"data last\"\u003eSpeed Engineering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"last odd\"\u003e\n\u003cth class=\"label\"\u003eVehicle\u003c\/th\u003e\n\u003ctd class=\"data last\"\u003e1955-1974 GM Car\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"last odd\"\u003e\n\u003cth class=\"label\"\u003eMaterial\u003c\/th\u003e\n\u003ctd class=\"data last\"\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e*Item ships directly from Speed Engineering and our price includes any associated shipping charges. Speed Engineering's exhaust and header kits are intended for off-road use only and are\u003cspan\u003e \u003c\/span\u003e\u003cspan style=\"color: #ff0000;\"\u003e\u003cstrong\u003enot eligible for shipping to California residents.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e","brand":"Speed Engineering","offers":[{"title":"Graphite Gaskets \/ No","offer_id":45033458925766,"sku":"25-1161","price":231.99,"currency_code":"USD","in_stock":true},{"title":"Graphite Gaskets \/ Yes; Include Header Bolts","offer_id":45033458958534,"sku":"25-1161","price":236.98,"currency_code":"USD","in_stock":true},{"title":"MLS Gaskets \/ No","offer_id":45033458991302,"sku":"25-1161","price":261.98,"currency_code":"USD","in_stock":true},{"title":"MLS Gaskets \/ Yes; Include Header Bolts","offer_id":45033459024070,"sku":"25-1161","price":266.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2716\/4086\/files\/speed-engineering-speed-engineering-ls-swap-1-3-4-shorty-headers-1955-1974-gm-car-1194725191.png?v=1758838230","url":"https:\/\/www.glennsautoperformance.com\/products\/speed-engineering-ls-swap-1-3-4-shorty-headers-1955-1974-gm-car","provider":"Glenn's Auto Performance","version":"1.0","type":"link"}