Features: Type: For LS1 LS2 LS6 Intake Manifold (Cathedral Port) Material: Aluminum RPM Range: 3500-8000 RPM Single Or Dual Plane Type: Single This intake manifold offers greater air flow potential Package included: 1*Intake Manifold 1*Fuel Rail kit some fittings. UPC Does not apply Brand Deepmotor Type Intake Manifold Material Aluminum Manufacturer Part Number DM-1186KIT-SL Color Silver .