This intake features a satin finish with blue anodized fuel rails. 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 this manifold is 1.06"x 1.94". Kit includes the intake, braided crossover line with fittings, fuel rails and fuel rail hardware.