{"product_id":"holley-ls-2x4bbl-dual-plane-efi-intake-manifold-ho300-121-chev-holden-ls1-ls2-v8","title":"HOLLEY LS 2x4BBL DUAL PLANE EFI INTAKE MANIFOLD HO300-121 CHEV HOLDEN LS1\/LS2 V8","description":"These Holley LS 2x4 dual plane fuel injection intake manifolds allow you to install dual throttle bodies on your late model LS Series engines. Their dual plane, equal-distribution layout produces great midrange torque without compromising top-end power. The manifolds feature all cast aluminum construction, a wide 1,500-7,000 rpm power band range, and can accept dual inline mounted 1,000 cfm throttle bodies with a 1.750 in. maximum throttle bore diameter. \u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eChev\/Holden small block Gen III\/IV LS1\/LS2\/LS6 5.7L\/6.0L V8.\u003c\/strong\u003e\u003c\/p\u003e  \u003cul\u003e  \u003cli\u003eEngine Block Style: Stock\/OEM standard deck\u003c\/li\u003e  \u003cli\u003eInjection Style: Throttle body\u003c\/li\u003e  \u003cli\u003eBasic Operating RPM Range: 1,500-7,000\u003c\/li\u003e  \u003cli\u003eIntake Section Included: Complete\u003c\/li\u003e  \u003cli\u003eEGR: No\u003c\/li\u003e  \u003cli\u003eInjectors Included: No\u003c\/li\u003e  \u003cli\u003eFuel Rails Included: No\u003c\/li\u003e  \u003cli\u003eAftermarket Fuel Rail Required: Yes\u003c\/li\u003e  \u003cli\u003eThrottle Body Included: No\u003c\/li\u003e  \u003cli\u003eSupplemental Bosses Cast-In: No\u003c\/li\u003e  \u003cli\u003eSupplemental Bosses Machined: Yes\u003c\/li\u003e  \u003cli\u003eSupplemental Boss Quantity: Eight\u003c\/li\u003e  \u003cli\u003eRunners Included: No\u003c\/li\u003e  \u003cli\u003eRunners Removable: No\u003c\/li\u003e  \u003cli\u003ePlenum Material: Aluminum\u003c\/li\u003e  \u003cli\u003ePlenum Finish: Natural\u003c\/li\u003e  \u003cli\u003eBase Material: Aluminum\u003c\/li\u003e  \u003cli\u003eBase Finish: Natural\u003c\/li\u003e  \u003cli\u003eQuantity: Sold individually.\u003c\/li\u003e  \u003cli\u003eNotes: With cathedral port heads only.\u003c\/li\u003e \u003c\/ul\u003e","brand":"Holley","offers":[{"title":"Default Title","offer_id":44883306217783,"sku":"HO300-121","price":1235.7,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/9364\/1015\/files\/87304.jpg?v=1780413174","url":"https:\/\/enginemaster.com.au\/products\/holley-ls-2x4bbl-dual-plane-efi-intake-manifold-ho300-121-chev-holden-ls1-ls2-v8","provider":"Engine Master","version":"1.0","type":"link"}