{"product_id":"gm-ls3-rectangle-port-carburettor-single-plane-efi-intake-manifold","title":"GM LS3 Rectangle Port Carburettor Single Plane EFI Intake Manifold","description":"\u003cdiv\u003e\n\u003ch2\u003eGM LS3 Rectangle Port EFI Single Plane Intake Manifold\u003c\/h2\u003e\n\u003cp\u003eConvert your GM LS engine to accept a 4150-style throttle body with Aeroflow Performance’s Street low rise cast intake manifold. This single-plane EFI manifold is designed to keep air and fuel flowing smoothly for maximum power, specifically for GM LS Gen III\/IV engines equipped with LS3 rectangle port heads. The natural cast finish adds a rugged, performance-ready look to your engine bay.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e4-barrel 4150 square-bore carburettor pad for aftermarket throttle bodies or adapter plates\u003c\/li\u003e \u003cli\u003eEFI applications only – does not work with factory OEM fuel rails (requires Aeroflow Fuel Rail Kit AF6999-6000)\u003c\/li\u003e \u003cli\u003eFits GM LS3 Rectangle Port Engines; low rise single-plane configuration for peak RPM performance\u003c\/li\u003e \u003cli\u003eRPM operating range: 2500 to 7000\u003c\/li\u003e \u003cli\u003eCarburettor pad to bottom height: 122 mm (check bonnet clearance)\u003c\/li\u003e \u003cli\u003ePort size: 1.15\" x 2.50\"\u003c\/li\u003e \u003cli\u003eGasket O‑Ring included (Intake Manifold Gasket O‑Ring, AF6233-5002)\u003c\/li\u003e \u003cli\u003eCarburettor studs: 4 × 5\/16-18\"\u003c\/li\u003e \u003cli\u003ePort: 3\/8\" NPT (x1)\u003c\/li\u003e \u003cli\u003eMounting holes: 6 × 5\/16-18\"\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIntake Manifold Includes: 8 × Intake Manifold O‑Ring Gaskets (AF6233-5002); 4 × M6 × 1.00 mm Hex Screws (80 mm UHL); 6 × M6 × 1.00 mm Hex Screws (50 mm UHL); 10 × M6 Flat Washers.\u003c\/p\u003e \u003cp\u003eFuel Rail Kit includes: 2 × Fuel Rails (-8ORB); 1 × -8AN crossover 100-series braided line with two 90-degree non-full-flow fittings; 3 × -8AN to -8ORB fittings; 1 × -8ORB hex port plug; 6 × long mounting brackets; 6 × short mounting brackets; 6 × 5\/16-18\" hex screws (18.5 mm UHL); 6 × 5\/16-18\" hex screws (12 mm UHL); 4 × M6 nuts; 8 × 14 mm Fuel Injector O‑Rings.\u003c\/p\u003e \u003cp\u003eInjector compatibility: requires either 14 mm short injectors (33.60 mm length) or ¾\" length injectors (48.65 mm) (sold separately).\u003c\/p\u003e \u003cp\u003eThis intake manifold is specifically designed for GM LS Gen III and IV engines equipped with OE or aftermarket LS3 rectangle port cylinder heads, delivering a steady, even air\/fuel distribution for high-performance street and racing applications.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":47273598845098,"sku":"AF6050-6000","price":770.7,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7829\/4698\/files\/s-l1600_9a3288f9-b179-43fc-9227-08ffb6403d91.webp?v=1753664405","url":"https:\/\/tgmperformance.com.au\/products\/gm-ls3-rectangle-port-carburettor-single-plane-efi-intake-manifold","provider":"TGM Performance Parts","version":"1.0","type":"link"}