Speedmaster 1-147-016 LowRise Intake Manifold Big Block Chevy 454 Oval Port Heig

Chevy BBC 454 LowRise Oval Port Intake Manifold Satin Brand: Speedmaster Part Number: 1-147-016 Part Type: Intake Manifolds, CarburetedProduct Line: LowRise Engine Block Style: Stock/OEM standard deck Carburetor Quantity: OneIntake Style: Dual plane Basic Operating RPM Range: Idle-6,000 Intake Manifold Height: 5.750 in. Intake Material: Aluminum Intake Finish: Natural EGR: No Quantity: Sold individually. Notes: Check hood clearance before installing. Will not fit stock Corvette hoods. Not for tall deck applications.Calculator: CFM CalculatorThis 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.