{"product_id":"holley-ls-efi-manifold-2x4-dual-plane-black-300-121bk","title":"Holley LS EFI Manifold - 2x4 Dual Plane - Black - 300-121BK","description":"\u003cp\u003e\u003cstrong\u003eOverview:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eHolley EFI 2x4 Dual Plane Intake Manifold, LS Gen 3 LS1\/LS2\/LS6 engines\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eThe Holley GM LS1\/LS2\/LS6 2x4V dual-plane was designed in the tradition of the great dual Holley 4160 induction systems that competed on drag strips, in Trans-Am and at Lemans in the 1960’s. The technology of the LS pushrod engine is now mated with the im\u003c\/li\u003e\n\u003cli\u003eThe dual-plane equal-distribution layout produces great mid-range torque without compromising top end power.  The LS engine architecture does not utilize an intake mounted water neck or distributor so it’s perfect for two Holley carburetors and this intak\u003c\/li\u003e\n\u003cli\u003eCarbureted and EFI versions available\u003c\/li\u003e\n\u003cli\u003ePower band from 1500-7000 rpm\u003c\/li\u003e\n\u003cli\u003eAppropriate for any street\/performance, muscle car, or street rod enthusiast\u003c\/li\u003e\n\u003cli\u003eCast aluminum construction\u003c\/li\u003e\n\u003cli\u003eIntended for use on all GM LS Gen III engines equipped with LS1\/LS2 style cathedral port cylinder heads\u003c\/li\u003e\n\u003cli\u003eCarb Flange Center-To-Center: 8-5\/8”\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003c\/p\u003e\u003ch3\u003eApplication:\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eYear\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eMake\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSubmodel\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eEngine Size\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eUniversal\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003c\/p\u003e\u003ch3\u003eSpecs:\u003c\/h3\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eHolley EFI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConstruction\u003c\/th\u003e\n\u003ctd\u003eCast\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEmission Code\u003c\/th\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEngine\u003c\/th\u003e\n\u003ctd\u003eGM Small Block Gen III\/IV (LS Based)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFront Height\u003c\/th\u003e\n\u003ctd\u003e4.47 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFuel System Type\u003c\/th\u003e\n\u003ctd\u003eEFI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManifold Type\u003c\/th\u003e\n\u003ctd\u003eDual Plane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eManifold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRear Height\u003c\/th\u003e\n\u003ctd\u003e5.54 inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRPM Power Band\u003c\/th\u003e\n\u003ctd\u003e1500-7000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarranty\u003c\/th\u003e\n\u003ctd\u003eLimited 90 Day\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Holley EFI","offers":[{"title":"Default Title","offer_id":32596772356145,"sku":"300-121BK","price":736.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2493\/0960\/files\/holley-ls-efi-manifold-2x4-dual-plane-black-300-121bk-modern-day-muffler-1.jpg?v=1739186439","url":"https:\/\/moderndaymuffler.com\/products\/holley-ls-efi-manifold-2x4-dual-plane-black-300-121bk","provider":"Modern Day Muffler","version":"1.0","type":"link"}