Holley Intake Manifold - 300-120 Part #: 300-120 Line: HLY Holley Intake Manifold Manufacturer's Defect Warranty Material: Aluminum Port Shape: Cathedral Hardware Included: No Range (RPM): 1500 To 6500 RPM Gasket Or Seal Included: No Throttle Body Included: No EGR Compatible: No Fuel Rails Included: No Number Of Carburetors: 2 Engine Make/Size: GM, Chevrolet LS1, LS3, L2, L92, L6 Front Height (in): 4.470 Inch Rear Height (in): 5.540 Inch Single Or Dual Plane: Single Show More Show Less