Product Features:Best for the Ultimate in Street High-PerformanceDesigned Idle to 5500 RPM Street-Driven PowerDual-Plane High-Rise Intake w/180 deg Firing OrderProduces Incredible Top-End HorsepowerRetains Good Throttle Response and AccelerationLarger Plenum and Runners Maximizes Other UpgradesEdelbrock Total Power Package Maximizes Gains