This kit features a satin finish with anodized fuel rails and polished 1200 cfm throttle body. The throttle body is CNC machined and made of 6061-T6 aluminum. Air inlets are formed with radius openings to supply a smooth entrance for the air. Bearing mounted butterfly shafts for smooth throttle action, shorter height for better air flow and tight hood clearance. Throttle body has billet arms and includes provisions for TPS on unit. This intake is designed to fit 289 & 302 engines produces excellent power from 3000-7500+ rpm. Intake has a square bore throttle body bolt pattern to accept 4150/4160 base plate. Other features include four corner water outlets, rear water crossover passage and nitrous/injector bosses. The port size on the manifold is 1.06"x 1.94". Kit includes the intake, braided crossover line with fittings, fuel rails and fuel rail hardware.