{"product_id":"speedmaster-1-147-018-fits-chevy-bbc-454-lowrise-oval-port-intake-manifold-black","title":"Speedmaster 1-147-018 Fits Chevy BBC 454 LowRise Oval Port Intake Manifold Black","description":"The Speedmaster LowRise Manifolds are our lowest profile manifold and is also the only one that is street legal on pollution controlled vehicles. It is set up to accept a spread bore carb but comes with an adapter plate that permits the use of square bore carbs. To remain street legal with a square bore carb, you must use one that is also approved as street legal for your application.  This Speedmaster LowRise manifold is a direct replacement manifold for the stock manifold on Chevy big block engines with general duty oval port heads. See note below for specifics. This manifold will not fit under the hood of Corvettes without hood modifications. Will not fit -tall block- V8s. May be used with OEM or aftermarket carburetors. For street applications use the stock Quadra-Jet carburetor. For street performance use a 650-750 cfm performance or double pumper carb and for competition use a 700-850 cfm double pumper. Note that the Speedmaster Manifold kit includes a carb adapter plate and gasket to allow the use of square bore carburetors. Square bore carbs on this manifold are not legal for use on any emission controlled vehicle. Will fit 1965 through 1990 oval port cylinder heads. Use a Professional Products #53600 gasket or a Fel-Pro #1210 (non-Printoseal) or #1212 (Printoseal) intake gasket with this manifold.\r\n\u003cul\u003e\t\u003cli\u003eLowest profile manifold and street legal on pollution controlled vehicles\u003c\/li\u003e\r\n\t\u003cli\u003eGreat top end power without sacrificing bottom end torque\u003c\/li\u003e\r\n\t\u003cli\u003eCast from steel molds for a tighter grain\u003c\/li\u003e\r\n\t\u003cli\u003ePressure tested formaximum performance\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cb\u003eVehicle Specific\u003c\/b\u003e\r\n\u003cul\u003e\r\n\u003cli\u003eChevrolet \/ Chevy Big Block\u003c\/li\u003e\r\n\r\n\u003c\/ul\u003e\r\n\u003ch3\u003eAttributes:\u003c\/h3\u003e\r\n\u003cp\u003e\u003c\/p\u003e\u003cul\u003e\r\n\u003cli\u003e\n\u003cb\u003eBrand Name: \u003c\/b\u003eSpeedmaster\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eGTIN: \u003c\/b\u003e00840136560555\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eAdd-On: \u003c\/b\u003eN\/A\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eProduct Weight (lbs.): \u003c\/b\u003e22.2\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eTLE: \u003c\/b\u003eSpeedmaster 1-147-018 Fits Chevy BBC 454 LowRise Oval Port Intake Manifold Black\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3\u003eExtended Information:\u003c\/h3\u003e\r\n\u003cp\u003e\u003c\/p\u003e\u003cul\u003e\r\n\u003cli\u003e\n\u003cb\u003eCountry of Origin: \u003c\/b\u003eChina\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eEmissions : \u003c\/b\u003eRacing or Pre-Emissions Use Only\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eLife Cycle Status: \u003c\/b\u003eAvailable To Order\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3\u003ePacking Information:\u003c\/h3\u003e\r\n\u003cp\u003e\u003c\/p\u003e\u003cul\u003e\r\n\u003cli\u003e\n\u003cb\u003eQuantity of Each: \u003c\/b\u003e1\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003ePackage UOM: \u003c\/b\u003eEA\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eDimension: \u003c\/b\u003e24 x 11.5 x 6 inches\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cb\u003eWeight: \u003c\/b\u003e22.2 POUNDS\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3\u003ePDF:\u003c\/h3\u003e\r\n\u003cp\u003e\r\n\u003c\/p\u003e\u003cdiv\u003e\u003ca href=\"https:\/\/sdda.semadata.org\/Standard\/Speedmaster\/Speedmaster-Support.pdf\" target=\"_blank\"\u003e\u003cimg 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style=\"display:inline\"\u003e \u003c\/a\u003e\u003c\/div\u003e\r\n\r\n\u003cdiv id=\"sema-product-fitment\" class=\"product__accordion accordion fitment\"\u003e\u003c\/div\u003e","brand":"Speedmaster","offers":[{"title":"Default Title","offer_id":44244212940845,"sku":"FWGG-1-147-018","price":502.5,"currency_code":"USD","in_stock":true}],"url":"https:\/\/montgomeryparts.com\/products\/speedmaster-1-147-018-fits-chevy-bbc-454-lowrise-oval-port-intake-manifold-black","provider":"Montgomery Parts","version":"1.0","type":"link"}