{"product_id":"holden-vn-heads-308-304-edelbrock-air-gap-dual-plane-carb-intake-manifold","title":"Holden VN Heads 308 304 Edelbrock Air Gap Dual Plane Carb Intake Manifold","description":"\u003cdiv\u003e\n\u003ch2\u003eEdelbrock RPM Air-Gap Dual-Plane Carburettor Intake Manifold for Holden VN V8\u003c\/h2\u003e\n\u003cp\u003eDesigned for street and high-performance 308-383 c.i.d. Holden V8 engines that rely on 1988-1998 Holden VN cylinder heads, the Edelbrock RPM Air-Gap Dual-Plane intake manifold delivers balanced throttle response with increased horsepower from 1,500 to 6,500 rpm. The dual-plane design optimizes air distribution for both low-end torque and top-end power, making it a versatile upgrade for street-driven and performance-focused builds.\u003c\/p\u003e \u003cp\u003eThis manifold is engineered to fit both stock EFI-style Holden VN heads and the Edelbrock Holden VN RPM cylinder heads, offering installation flexibility while preserving the integrity of your engine’s intake flow. Edelbrock part #7594.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eRPM Air-Gap dual-plane design that improves throttle response and broadens power across 1,500–6,500 rpm\u003c\/li\u003e \u003cli\u003eCompatible with Holden VN 308-383 cu in V8 engines using 1988-1998 VN heads\u003c\/li\u003e \u003cli\u003eFits stock EFI-style heads and Edelbrock Holden VN RPM cylinder heads\u003c\/li\u003e \u003cli\u003eRequires SB Chev thermostat housing\u003c\/li\u003e \u003cli\u003eNot compatible with VS Series 2 \u0026amp; VT models with factory roller cam\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation and Compatibility Notes\u003c\/h3\u003e\n\u003cp\u003eThe Air-Gap manifold is designed as a direct upgrade for the specified Holden engines and cylinder heads; ensure you select the correct thermostat housing and verify your engine pairing matches the listed compatibility. The SB Chev thermostat housing is required for proper mounting and fitment.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":47306948149418,"sku":"ED7594","price":1181.7,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7829\/4698\/files\/ED7594.jpg?v=1754543485","url":"https:\/\/tgmperformance.com.au\/products\/holden-vn-heads-308-304-edelbrock-air-gap-dual-plane-carb-intake-manifold","provider":"TGM Performance Parts","version":"1.0","type":"link"}