Product Features:Polished Version Of Edelbrock PN[2701]Polish is Hand-Buffed for Brilliant ShineMaximizes Performance with Edelbrock CarburetorsMaximizes Peak Torque Around 3500 RPMExcellent Throttle Response and Mid-Range PowerProd. +5 HP and +9 ft/lbs. of Torque Over PN[2101]For Idle to 5500 RPM Street-Driven PerformanceDual-Plane Low-Rise Intake w/180 deg. Firing Order