{"product_id":"holley-hi-ram-base-big-block-chevy-300-961","title":"Holley Hi-Ram Base, Big Block Chevy - 300-961","description":"Holley Hi-Ram EFI intake manifolds are now available for 1965 \u0026amp; later 396-502+ MKIV-MKVI Big Block Chevy engines with standard intake flange rectangle-port cylinder heads. Traditional Big Block Chevy engines can now also be fitted with the Holley Brand Hi-Ram type EFI intake manifolds that have so well served GM LS \u0026amp; LT, Gen 3 Hemi, SBF Ford, and Ford Coyote engine platforms. The iconic Chevy SBC \u0026amp; BBC platforms are primed for 21st century induction systems, Holley EFI engine management, and Holley fuel systems.\n\u003ch3\u003eFeatures:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2.40” tall x 1.60” wide port flange openings, uses Mr. Gasket intake manifold gasket #5817\u003c\/li\u003e\n\u003cli\u003eDesigned for 1965 \u0026amp; later 396-502+ MKIV-MKVI standard 9.80” deck height Big Block Chevy engines with standard intake flange rectangle-port cylinder heads.\u003c\/li\u003e\n\u003cli\u003eRequires the use of early type GM or small cap MSD or Holley Distributors. Not compatible with HEI distributors\u003c\/li\u003e\n\u003cli\u003eCast 356-T6 Aluminum Construction, Natural, Satin As-Cast Aluminum Finish\u003c\/li\u003e\n\u003cli\u003ePower Band: 1500-8000 RPM\u003c\/li\u003e\n\u003cli\u003eThe coolant outlet is a standard Chevy thermostat housing flange. and (2) 1\/2 NPT and (1) 3\/8 NPT coolant ports are provided.\u003c\/li\u003e\n\u003cli\u003eMAP sensor port is for a GM Gen IV LS MAP sensor, manifold also has provisions for (1) 1\/8 NPT, (1) 1\/4 NPT, (1) 3\/8 NPT fittings to the plenum\u003c\/li\u003e\n\u003cli\u003eBlack anodized EFI fuel rails are machined for -10AN O-ring fittings and come included with these EFI Hi-Ram kits.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Specifications:\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Details:\u003c\/strong\u003e Hi-Ram EFI Base for 1965 \u0026amp; later 396-502+ MKIV-MKVI Big Block Chevy engines with standard intake flange rectangle-port cylinder heads\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBasic Operating RPM Range:\u003c\/strong\u003e 1500-8000 RPM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarburetor Flange:\u003c\/strong\u003e N\/A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarburetor Quantity:\u003c\/strong\u003e N\/A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarburetor Studs Included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCNC Ported:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Natural\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Cast\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCylinder Head Port Shape:\u003c\/strong\u003e Rectangle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeck Height:\u003c\/strong\u003e 9.8 IN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEGR Port:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e Chevy Big Block V8\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFlange Style:\u003c\/strong\u003e N\/A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel Injectors Included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel Rail(s) Included:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuel System Type:\u003c\/strong\u003e EFI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGasket Or Seal Included:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrade Type:\u003c\/strong\u003e Performance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntake Port Gasket(s) Included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManifold Type:\u003c\/strong\u003e Hi-Ram\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNitrous Bung(s) Included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Type:\u003c\/strong\u003e Engine Intake Manifold\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlenum Finish:\u003c\/strong\u003e Natural\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Intake Manifold Base\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemovable Runners:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRemovable Top\/Lid:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle Or Dual Plane Type:\u003c\/strong\u003e Single Plane\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrottle Body Bore Diameter:\u003c\/strong\u003e N\/A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrottle Body Gasket Included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThrottle Body Included:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType of Component:\u003c\/strong\u003e Lower Manifold\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVacuum Ports:\u003c\/strong\u003e Yes\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Holley","offers":[{"title":"Default Title","offer_id":49710272479470,"sku":"HLY-300-961","price":899.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/9110\/6798\/files\/ecd504fba7ce3c7a9c8b04407bb95ae27a8ae51e.jpg?v=1791515847","url":"https:\/\/elmosspeedshop.com\/products\/holley-hi-ram-base-big-block-chevy-300-961","provider":"Elmo's Speed Shop","version":"1.0","type":"link"}