{"product_id":"holley-300-961-hi-ram-base-big-block-chevy","title":"Holley 300-961 Hi-Ram Base, Big Block Chevy","description":"Hi-Ram EFI Base for 1965 \u0026amp; later 396-502+ MKIV-MKVI Big Block Chevy engines with standard intake flange rectangle-port cylinder heads\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003ePart Number:\u003c\/strong\u003e 300-961\u003cbr\u003e\u003cbr\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.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFeatures and Benefits\u003c\/strong\u003e\u003cbr\u003e\u003cbr\u003e• 2.40” tall x 1.60” wide port flange openings, uses Mr. Gasket intake manifold gasket #5817\u003cbr\u003e• Designed 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.\u003cbr\u003e• Requires the use of early type GM or small cap MSD or Holley Distributors. Not compatible with HEI distributors\u003cbr\u003e• Cast 356-T6 Aluminum Construction, Natural, Satin As-Cast Aluminum Finish\u003cbr\u003e• Power Band: 1500-8000 RPM\u003cbr\u003e• The coolant outlet is a standard Chevy thermostat housing flange. and (2) 1\/2 NPT and (1) 3\/8 NPT coolant ports are provided.\u003cbr\u003e• MAP 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\u003cbr\u003e• Black anodized EFI fuel rails are machined for -10AN O-ring fittings and come included with these EFI Hi-Ram kits.\u003cbr\u003e\u003cbr\u003e\u003cem\u003e\u003c\/em\u003e","brand":"Holley","offers":[{"title":"Default Title","offer_id":48275900465379,"sku":"300-961","price":1709.1,"currency_code":"NZD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/0821\/9875\/files\/3b49e1a9fc60aff8846d6c168ca42ac4.jpg?v=1771069590","url":"https:\/\/fastlanespares.co.nz\/products\/holley-300-961-hi-ram-base-big-block-chevy","provider":"Fast Lane Spares","version":"1.0","type":"link"}