Designed for GM LS Series applications, this intake manifold is built to support balanced airflow distribution, dependable throttle response, and strong mid-range performance in properly matched engine combinations.Airflow & Performance DesignThe intake runner and plenum design help support balanced airflow delivery between cylinders while maintaining stable throttle response and dependable street-driven performance.Construction & Engine-Bay FitmentThe manifold construction to support long-term durability, heat management, and a clean installed appearance in demanding engine-bay environments.Installation ConsiderationsProper installation requires confirming cylinder head compatibility, intake gasket alignment, carburetor or throttle-body configuration, distributor clearance, and hood clearance before final assembly.System MatchingVerify fuel system compatibility, throttle linkage setup, vacuum routing, sensor provisions, and accessory clearance before installation. This intake manifold is intended for properly matched engine combinations.COMPATIBLE WITH:CHEVROLET SMALL BLOCK V8 GEN. III (LS BASED) 5.7 L / 346 in3COMMON VEHICLE APPLICATIONS:Chevrolet SilveradoGMC SierraChevrolet CamaroChevrolet CorvetteChevrolet TahoeCTS-VSPECIFICATIONS:Basic Operating RPM Range: 2,500-7,000 RPMCarburetor Flange Style: 4150 Square BoreCarburetor Quantity: 1Center Maximum Height: 5.417 in.Color: PolishedDeck Height: StandardEGR Port: NoFront Maximum Height: 5.417 in.Fuel System Type: CarburetedGasket Or Seal Included: YesGrade Type: PerformanceIntake Port Shape: CathedralMaterial: AluminumMounting Hole Quantity: 10Rear Maximum Height: 5.417 in.Single Or Dual Plane Type: Single Plane Compatible with GM Gen III LS Cathedral Port engines. Features a dual plane design Composed of aluminum for light weight and improved heat management ASIN B0F66H8Y4D Brand Top Street Performance Model 81132P Exterior Polished Item Weight 25 pounds Manufacturer Top Street Performance Item model number 81132P Package Dimensions 24 x 14 x 6 inches Manufacturer Part Number 81132P