{"product_id":"gm-ls-rectangle-port-carburettor-street-single-plane-intake-manifold","title":"GM LS Rectangle Port Carburettor Street Single Plane Intake Manifold","description":"\u003cdiv\u003e\n\u003cp\u003eConvert your GM LS engine from EFI to Non-EFI carburettor in retrofit applications with this Aeroflow Performance Street low rise cast intake manifold. The GM LS Rectangle Port Carburettor Street Single Plane Non-EFI Intake Manifold arrives in a natural cast finish and is engineered for 4-barrel square-bore carburettors with a 4150 flange, specifically suited to GM LS3 rectangle port cylinder heads. This non-EFI configuration preserves a classic carburettor setup while delivering reliable, steady air and fuel delivery for improved street and performance drivability.\u003c\/p\u003e \u003ch3\u003eCompatibility and design\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eFits GM LS Gen III and IV engines equipped with OE or aftermarket LS3 rectangle port heads\u003c\/li\u003e \u003cli\u003eNon-EFI applications only\u003c\/li\u003e \u003cli\u003eSingle Plane configuration for efficient air\/fuel distribution at higher RPM\u003c\/li\u003e \u003cli\u003eCarburettor pad supports aftermarket 4150 square-bore carbs with manual or electric choke options\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eRPM operating range: 2500 to 7000\u003c\/li\u003e \u003cli\u003eSquare bore carburettor pad (4150 flange)\u003c\/li\u003e \u003cli\u003eOverall height from carb pad to bottom: 122 mm (check bonnet clearance)\u003c\/li\u003e \u003cli\u003ePort size: 1.15\" x 2.50\"\u003c\/li\u003e \u003cli\u003eGasket O-Ring: AF6233-5002\u003c\/li\u003e \u003cli\u003eCarburettor studs: 5\/16-18\" (x4)\u003c\/li\u003e \u003cli\u003ePort: 3\/8\" NPT (x1)\u003c\/li\u003e \u003cli\u003eMounting holes: 6 x 5\/16-18\"\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat’s included\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e8 x Intake Manifold O-Ring Gaskets (AF6233-5002)\u003c\/li\u003e \u003cli\u003e4 x M6 x 1.00mm Hex Screws (80 mm UHL)\u003c\/li\u003e \u003cli\u003e6 x M6 x 1.00mm (50 mm UHL)\u003c\/li\u003e \u003cli\u003e10 x M6 Flat Washers\u003c\/li\u003e \u003cli\u003e1 x 3\/8\" NPT Steel Port Plug\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation notes and benefits\u003c\/h3\u003e\n\u003cp\u003eDesigned to convert your GM LS engine from EFI to Non-EFI carburettor in retro-fit applications, this street low-rise cast intake manifold helps maintain consistent air and fuel flow into the engine for dependable performance. The carburettor mounting pad is built to accommodate aftermarket 4150 square-bore carburettors, offering compatibility with both manual and electric choke options. Built specifically for GM LS Gen III and IV engines with LS3 rectangle port heads, this intake manifold provides a straightforward, durable platform for carburetted setups.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":47273534816426,"sku":"AF6040-6000","price":508.7,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7829\/4698\/files\/s-l1600_1a6028b2-5a14-4aee-b9da-a7a8f73d12c5.webp?v=1753664067","url":"https:\/\/tgmperformance.com.au\/products\/gm-ls-rectangle-port-carburettor-street-single-plane-intake-manifold","provider":"TGM Performance Parts","version":"1.0","type":"link"}