Edelbrock 21561 Performer Pontiac Intake Manifold Height: 7.500 Width: 14.750 Length: 23.625 Weight: 20.12 Fitment: 1979/Pontiac/Firebird/Trans Am Coupe 2-Door/6.6L 403Cu. In. V8 GAS OHV Naturally Aspirated::N/AUse OEM 4 BBL Carburetor For Shaker Hood Clearance~ Recommend Edelbrock Gasket PN[7280] for Intake Gasket~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps^^1979/Pontiac/Firebird/Trans Am Coupe 2-Door/6.6L 400Cu. In. V8 GAS OHV Naturally Aspirated::N/AUse OEM 4 BBL Carburetor For Shaker Hood Clearance~ Recommend Edelbrock Gasket PN[7280] for Intake Gasket~ Not Legal For Use On Pollution Controlled Vehicles~ For Pre-Pollution Controlled Vehicles Or Engine Swaps^^1979/Pontiac/Firebird/Formula Coupe 2-Door/6.6L 403Cu. In. V8 GAS OHV Naturally Aspirated::N/AUse OEM 4 BBL Carburetor For Shaker Hood Clearance~ Recommend E...