{"product_id":"holley-hi-ram-base-big-block-chevy-300-961","title":"Holley Hi-Ram Base, Big Block Chevy 300-961","description":"\u003cp\u003eHi-Ram EFI Base for 1965 \u0026amp; later 396-502+ MKIV-MKVI Big Block Chevy engines with standard intake flange rectangle-port cylinder heads\u003c\/p\u003e\u003cp\u003eHolley 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.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\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\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\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\u003ePower Band: 1500-8000 RPM\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\u003cli\u003eCast 356-T6 Aluminum Construction, Natural, Satin As-Cast Aluminum Finish\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\u003e2.40? tall x 1.60? wide port flange openings, uses Mr. Gasket intake manifold gasket #5817\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSpecs:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable border=\"1\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eBasic Operating RPM Range\u003c\/th\u003e\n\u003ctd\u003e1500-8000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eHolley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCarburetor Studs Included\u003c\/th\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCategory\u003c\/th\u003e\n\u003ctd\u003eIntake Manifolds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCNC Ported\u003c\/th\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eNatural\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\u003eCylinder Head Port Shape\u003c\/th\u003e\n\u003ctd\u003eRectangle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEGR Port\u003c\/th\u003e\n\u003ctd\u003eNo\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\u003eChevy Big Block V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eNatural\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFuel Injectors Included\u003c\/th\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFuel Rail(s) Included\u003c\/th\u003e\n\u003ctd\u003eYes\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\u003eGasket Or Seal Included\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGrade Type\u003c\/th\u003e\n\u003ctd\u003ePerformance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eManifold Type\u003c\/th\u003e\n\u003ctd\u003eHi-Ram\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eAluminum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNitrous Bung(s) Included\u003c\/th\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePlenum Finish\u003c\/th\u003e\n\u003ctd\u003eNatural\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eIntake Manifold Base\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRemovable Runners\u003c\/th\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRemovable Top\/Lid\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRPM Power Band\u003c\/th\u003e\n\u003ctd\u003e1500-8000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSingle Or Dual Plane Type\u003c\/th\u003e\n\u003ctd\u003eSingle Plane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThrottle Body Included\u003c\/th\u003e\n\u003ctd\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eType of Component\u003c\/th\u003e\n\u003ctd\u003eLower Manifold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWarning\u003c\/th\u003e\n\u003ctd\u003eCalifornia Proposition 65\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","offers":[{"title":"Default Title","offer_id":51386134200533,"sku":"300-961","price":787.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2493\/0960\/files\/3b49e1a9fc60aff8846d6c168ca42ac4.jpg?v=1744909535","url":"https:\/\/moderndaymuffler.com\/products\/holley-hi-ram-base-big-block-chevy-300-961","provider":"Modern Day Muffler","version":"1.0","type":"link"}