Item Description: Item Features Bore Diameter:57mm Housing Width (in):5 Air Intake Port Maximum Diameter (in):2-5/8 Throttle Plate Diameter (in):2-1/4 Housing Length (in):5-3/16 Main Port Inside Diameter(in):2-3/8 Weight:3 LB Electrically tested before leaving the factory. Direct replacement. Built to strict quality control standards. Vehicle Fitment .