Features: Part Type:Intake Manifolds, Carbureted Intake Section Included: Complete Engine Block Style: Stock/OEM standard deck Carburetor Quantity: One Intake Style: Dual plane Basic Operating RPM Range: Idle-6,500 Intake Manifold Height: 4.500 in. Intake Finish: Natural Intake Material: Aluminum EGR: No Quantity: Sold individually. Notes: Please Note Vortec Heads Only Have 8 Bolts that Hold the Intake On, 2 Bolts in Each Corner of the Intake, if your Intake has 12 Total Bolts then this Intake will not work. The intake manifolds feature a high-flow runner design to deliver improved power from idle to 6,500 rpm. These cast-aluminum manifolds are pressure-tested for leaks. Chevrolet manifolds will clear HEI ignition systems. Package Contents: 1* Casting SBC Intake Manifold