{"product_id":"holden-vn-heads-308-304-low-rise-single-plane-intake-manifold","title":"Holden VN Heads 308 304 Low-Rise Single Plane Intake Manifold","description":"\u003cdiv\u003e\n\u003cp\u003eMaximize carburetted Holden V8 power with the Holden VN Heads 308\/304 Low-Rise Single-Plane Intake Manifold. Finished in natural cast, this non-EGR intake is engineered to deliver a steady, even air and fuel flow across the engine for improved performance and efficiency in the 1500–6500 RPM range.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eLow-rise single-plane design to optimize airflow in tight engine bays while preserving throttle response and peak power.\u003c\/li\u003e \u003cli\u003eCarburettor mounting pad is spread bore, compatible with aftermarket spread-bore carbs, with options for both manual and electric choke.\u003c\/li\u003e \u003cli\u003eNon-EGR configuration tailored for carburetted Holden V8 applications; specifically designed for late model VN engine models.\u003c\/li\u003e \u003cli\u003eFits Holden 304 V8 engines. Will not suit early Holden 308 cylinder heads. Not compatible with VT engines that have factory roller camshafts.\u003c\/li\u003e \u003cli\u003eDesigned for Holden 253\/308 V8 engines operating from 1500 to 6500 RPM, with a focus on maximizing power through optimized air\/fuel distribution.\u003c\/li\u003e \u003cli\u003eMost late-model water necks, air conditioning, alternator, and HEI ignition systems can be accommodated; intake runners should be port-matched to your cylinder heads for best results.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re upgrading a carburetted build or aiming to extract additional power from a VN-era Holden, this low-rise intake manifold provides a purpose-built solution with precise flow characteristics and practical compatibility notes to help you plan your install.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":47266584789162,"sku":"AF6000-4001","price":590.9,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7829\/4698\/files\/s-l1600_f3b55784-02cd-449b-b1be-f4a7a4207a63.webp?v=1753403723","url":"https:\/\/tgmperformance.com.au\/products\/holden-vn-heads-308-304-low-rise-single-plane-intake-manifold","provider":"TGM Performance Parts","version":"1.0","type":"link"}