{"product_id":"holley-ls1-ls2-ls6-single-plane-mid-rise-efi-intake-manifold-hly-300-137","title":"HOLLEY LS1 LS2 LS6 SINGLE PLANE MID-RISE EFI INTAKE MANIFOLD","description":"\u003ch2\u003eHOLLEY LS1 LS2 LS6 SINGLE PLANE MID-RISE EFI INTAKE MANIFOLD Product Description:\u003c\/h2\u003e\n\u003cdiv class=\"seocart_Accordion\"\u003e\n\u003ch3 class=\"seocart_Accordion_heading0\"\u003eOverview\u003c\/h3\u003e\n\u003cdiv class=\"seocart_Accordion_content0\"\u003e\n\u003cp\u003e\u003cspan\u003eHolley EFI LS single plane mid-rise intake manifolds are great for your higher horsepower engine. Featuring cast aluminum construction, these manifolds are also great for centrifugal blower, turbocharged, or NOS mild power adder applications. The efficient casting design is lightweight--11.5 lbs.--with consistent wall thickness and strong mounting flanges.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe optimized runner layout and constant cross sectional area offer a broad torque curve, with the best vehicle performance from 2,500-7,000 rpm. The mid-rise design offers minimum carb mounting flange height--without sacrificing power--and is another plus for vehicles with minimum hood modifications. Holley EFI LS single plane mid-rise intake manifolds include zinc-plated hex head cap mounting bolts and washers, pipe plugs to block manifold vacuum and MAP sensor ports, and Viton® O-ring cylinder head mounting flange gaskets for an OEM-style seal.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDesigned to fit cathedral port cylinder heads. \u003cstrong\u003eThis manifold will not work with factory fuel rails\u003c\/strong\u003e. Requires Holley fuel rails, part number 534-219.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003chr style=\"color: #222222; text-align: left;\"\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"seocart_Accordion_heading1\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv class=\"seocart_Accordion_content1\"\u003e\n\u003ctable style=\"width: 489px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19px;\"\u003e\n\u003ctd style=\"width: 311px; height: 19px; text-align: right;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 10px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 239px; height: 19px; text-align: left;\"\u003e\u003cspan style=\"color: #800000;\"\u003e\u003ca href=\"\/brands\/holley-1.html\" style=\"color: #800000;\"\u003eHolley\u003c\/a\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px; text-align: left;\"\u003e\n\u003ctd style=\"width: 311px; height: 19px; text-align: right;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003ePart Numbers:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 10px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 239px; height: 19px; text-align: left;\"\u003e\u003cspan style=\"color: #000000;\"\u003eHLY-300-137\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px; text-align: left;\"\u003e\n\u003ctd style=\"width: 311px; height: 19px; text-align: right;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003eOther Part Numbers:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 10px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 239px; height: 19px; text-align: left;\"\u003e\u003cspan style=\"color: #000000;\"\u003e300-137\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px; text-align: left;\"\u003e\n\u003ctd style=\"width: 311px; height: 19px; text-align: right;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003ePart Type:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 10px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 239px; height: 19px; text-align: left;\"\u003e\u003cspan style=\"color: #800000;\"\u003e\u003ca href=\"\/air-induction\/intake-manifolds-1.html\" style=\"color: #800000;\"\u003eIntake Manifolds\u003c\/a\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px; text-align: left;\"\u003e\n\u003ctd style=\"width: 311px; height: 19px; text-align: right;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003e\u003cspan style=\"color: #111111; font-weight: bold;\"\u003eEngine Block Style\u003c\/span\u003e:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 10px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 239px; height: 19px;\"\u003e\u003cspan style=\"color: #000000;\"\u003eStock\/OEM standard deck\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px; text-align: left;\"\u003e\n\u003ctd style=\"width: 311px; height: 19px; text-align: right;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-weight: bold;\"\u003eInjection Style\u003c\/span\u003e:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 10px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 239px; height: 19px;\"\u003e\u003cspan style=\"color: #000000; text-align: start;\"\u003eMulti-port\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px; text-align: left;\"\u003e\n\u003ctd style=\"width: 311px; height: 19px; text-align: right;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-weight: bold;\"\u003eBasic Operating RPM Range\u003c\/span\u003e:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 10px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 239px; height: 19px;\"\u003e\u003cspan style=\"color: #000000; text-align: start;\"\u003e2,500-7,000\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px; text-align: left;\"\u003e\n\u003ctd style=\"width: 311px; height: 19px; text-align: right;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-weight: bold;\"\u003eIntake Section Included\u003c\/span\u003e:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 10px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 239px; height: 19px;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cspan style=\"text-align: start;\"\u003eComplete\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px; text-align: left;\"\u003e\n\u003ctd style=\"width: 311px; height: 19px; text-align: right;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-weight: bold;\"\u003eEGR\u003c\/span\u003e:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 10px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 239px; height: 19px;\"\u003e\u003cspan style=\"color: #000000;\"\u003eNo\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px; text-align: left;\"\u003e\n\u003ctd style=\"width: 311px; height: 19px; text-align: right;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-weight: bold;\"\u003eInjectors Included\u003c\/span\u003e: \u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 10px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 239px; height: 19px;\"\u003e\u003cspan style=\"color: #000000;\"\u003eNo\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px; text-align: left;\"\u003e\n\u003ctd style=\"width: 311px; height: 19px; text-align: right;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-weight: bold;\"\u003eFuel Rails Included\u003c\/span\u003e: \u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 10px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 239px; height: 19px;\"\u003e\u003cspan style=\"color: #000000;\"\u003eNo\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px; text-align: left;\"\u003e\n\u003ctd style=\"width: 311px; height: 19px; text-align: right;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-weight: bold;\"\u003eAftermarket Fuel Rail Required\u003c\/span\u003e: \u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 10px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 239px; height: 19px;\"\u003e\u003cspan style=\"color: #000000;\"\u003eYes\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19px; text-align: left;\"\u003e\n\u003ctd style=\"width: 311px; height: 19px; text-align: right;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-weight: bold;\"\u003eThrottle Body Included\u003c\/span\u003e: \u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 10px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 239px; height: 19px;\"\u003e\u003cspan style=\"color: #000000;\"\u003eNo\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 17px;\"\u003e\n\u003ctd style=\"width: 311px; text-align: right; height: 17px;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-weight: bold;\"\u003e\u003cspan style=\"color: #111111; font-weight: bold;\"\u003eSupplemental Bosses Cast-In:\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 10px; height: 17px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 239px; height: 17px;\"\u003e\u003cspan style=\"color: #000000;\"\u003eNo\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 17px;\"\u003e\n\u003ctd style=\"width: 311px; text-align: right; height: 17px;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-weight: bold;\"\u003e\u003cspan style=\"color: #111111; font-weight: bold;\"\u003eSupplemental Bosses Machined:\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 10px; height: 17px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 239px; height: 17px;\"\u003e\u003cspan style=\"color: #000000;\"\u003eNo\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 17px;\"\u003e\n\u003ctd style=\"width: 311px; text-align: right; height: 19px;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-weight: bold;\"\u003e\u003cspan style=\"color: #111111; font-weight: bold;\"\u003eRunners Included:\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 10px; height: 19px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 239px; height: 19px;\"\u003e\u003cspan style=\"color: #000000;\"\u003eNo\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 17px;\"\u003e\n\u003ctd style=\"width: 311px; text-align: right; height: 17px;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-weight: bold;\"\u003e\u003cspan style=\"color: #111111; font-weight: bold;\"\u003eRunners Removable:\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 10px; height: 17px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 239px; height: 17px;\"\u003e\u003cspan style=\"color: #000000;\"\u003eNo\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 17px;\"\u003e\n\u003ctd style=\"width: 311px; text-align: right; height: 17px;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-weight: bold;\"\u003e\u003cspan style=\"color: #111111; font-weight: bold;\"\u003eBase Material:\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 10px; height: 17px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 239px; height: 17px;\"\u003e\u003cspan style=\"color: #000000;\"\u003eAluminum\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 17px;\"\u003e\n\u003ctd style=\"width: 311px; text-align: right; height: 17px;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003e\u003cspan style=\"font-weight: bold;\"\u003e\u003cspan style=\"color: #111111; font-weight: bold;\"\u003eBase Finish:\u003c\/span\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 10px; height: 17px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 239px; height: 17px;\"\u003e\u003cspan style=\"color: #000000;\"\u003eNatural\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 22px; text-align: left;\"\u003e\n\u003ctd style=\"width: 311px; height: 22px; text-align: right;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003eQuantity:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 10px; height: 22px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 239px; height: 22px;\"\u003e\u003cspan color=\"#333333\" style=\"color: #000000;\"\u003eSold \u003cspan style=\"text-align: start;\"\u003eindividually.\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 22px; text-align: left;\"\u003e\n\u003ctd style=\"width: 311px; height: 22px; text-align: right;\"\u003e\u003cspan style=\"color: #000000;\"\u003e\u003cstrong\u003eIn Store Pickup:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 10px; height: 22px;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 239px; height: 22px;\"\u003e\u003cspan style=\"color: #000000;\"\u003eColton, CA, USA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"seocart_Accordion_heading2\"\u003eApplication\u003c\/h3\u003e\n\u003cdiv class=\"seocart_Accordion_content2\"\u003e\n\u003cp\u003e\u003cspan style=\"color: #000000;\"\u003eDesigned to fit cathedral port cylinder heads. \u003cstrong\u003eThis manifold will not work with factory fuel rails.\u003c\/strong\u003e Requires Holley fuel rails, part number 534-219.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"seocart_Accordion_heading4\"\u003eProduct Video\u003c\/h3\u003e\n\u003cdiv class=\"seocart_Accordion_content4\"\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003ciframe height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/04_qLjGLUcc\" width=\"560\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3 class=\"seocart_Accordion_heading5\"\u003eWarranty\u003c\/h3\u003e\n\u003cdiv class=\"seocart_Accordion_content5\"\u003e\n\u003cp\u003eHolley Performance Products, Inc. products are warranted to be free from defects in material and workmanship for a period of 90 days from the date of purchase, except Avenger series carburetors, which carry a lifetime warranty on parts and a one-year warranty on labor. Any Holley deep cell battery also carries a one-year warranty. For select carburetors and superchargers, there will be a core charge. If the part qualifies, there will be a letter and a call tag included in the box from Holley.\u003c\/p\u003e\n\u003cp\u003eThe part must be returned to Holly, and if it is in acceptable condition, Holly will issue credit directly to the customer. In addition, Holley Performance Products, Inc.'s limited warranty specifically does not apply to products which have been modified or altered in any way, subjected to adverse conditions such as misuse, neglect, accident, improper installation or adjustment, dirt or other contaminants, water, corrosion or faulty repair, or used in applications other than those recommended by Holley Performance Products, Inc. This warranty does not warrant and disclaims all liability for products used in racing activities and\/or applications, other than those specifically recommended by Holley Performance Products, Inc.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":43730473255009,"sku":"HLY-300-137","price":491.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0615\/5157\/5137\/files\/zhly-300-137-1-eb.jpg?v=1772591230","url":"https:\/\/www.coreperformanceinc.com\/products\/holley-ls1-ls2-ls6-single-plane-mid-rise-efi-intake-manifold-hly-300-137","provider":"Core Performance Inc","version":"1.0","type":"link"}