{"product_id":"holden-vn-heads-308-304-air-gap-dual-plane-carby-intake-manifold-black","title":"Holden VN Heads 308 304 Air Gap Dual Plane Carby Intake Manifold Black","description":"\u003cdiv\u003e\n\u003ch2\u003eHolden VN 304\/308 Air Gap Dual Plane Carburetted Intake Manifold, Black\u003c\/h2\u003e\n\u003cp\u003eDesigned to maximize airflow consistency on carburetted Holden V8s, this Air Gap dual-plane intake manifold in a black finish delivers steady, even air and fuel distribution from idle through mid to high rpm. It’s specifically tailored for late-model VN engines with non-EFI setups and is not compatible with VT factory roller cam engines.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eAir Gap dual-plane configuration to promote cooler air delivery and improved throttle response across the operating range\u003c\/li\u003e \u003cli\u003eSquare bore carburettor pad to accept aftermarket square-bore carburettors, compatible with both manual and electric choke options\u003c\/li\u003e \u003cli\u003eOverall height from carb pad to bottom: 165 mm (check bonnet clearance before fitment)\u003c\/li\u003e \u003cli\u003ePort size: 1.19\" x 2.09\"\u003c\/li\u003e \u003cli\u003eIncludes intake manifold gasket: 5REGIM-308VN\u003c\/li\u003e \u003cli\u003eCarburettor studs: 5\/16-18\" (x4)\u003c\/li\u003e \u003cli\u003e Mounting holes: M6 x 1.00 mm (x4)\u003c\/li\u003e \u003cli\u003ePorts: 1\/4\" NPT (x1) with steel port plug included; 3\/8\" NPT (x1) with steel port plug included\u003c\/li\u003e \u003cli\u003eAdditional ports: 1\/2\" NPT (x3) with 2 steel port plugs included\u003c\/li\u003e \u003cli\u003eRPM operating range: 1500–6500\u003c\/li\u003e \u003cli\u003eSpecifically designed for Holden 304 V8 engines; will not suit early Holden 308 cylinder heads\u003c\/li\u003e \u003cli\u003eNon-EFI applications only for late-model Holden VN engine models; EFI applications use A6010-4003\u003c\/li\u003e \u003cli\u003eIntake runners should be port matched to your cylinder heads for optimal performance\u003c\/li\u003e \u003cli\u003eIn most cases, these manifolds accommodate late-model water necks, air conditioning, alternator, and HEI ignition systems\u003c\/li\u003e \u003cli\u003eDual Plane configuration for balanced torque across the RPM range\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eUpgrade your carburetted Holden setup with a purpose-built, heat-conscious Air Gap intake that helps maintain a steady air-fuel flow, delivering improved throttle response and consistent power delivery from idle up to higher RPMs.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":47273709469866,"sku":"AF6210-4000","price":652.5,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7829\/4698\/files\/s-l1600_1_94a99f99-85cd-4246-a183-73e1ed975080.webp?v=1753664964","url":"https:\/\/tgmperformance.com.au\/products\/holden-vn-heads-308-304-air-gap-dual-plane-carby-intake-manifold-black","provider":"TGM Performance Parts","version":"1.0","type":"link"}