Competition fuel curves provide safe and reliable horsepower for high performance race engines. Product Features:Gold Dichromate Finish For Corrosion ResistanceOptimized Race CalibrationContoured Venturi Inlet Balances Airflow For Increased hpScrew In Air Bleeds For Precision Tuning CapabilitiesDual 30cc Accelerator PumpsDual Feed Fuel Inlets For Constant High Volume Fuel Delivery4 Corner Idle Allows You To Precisely Control Your Idle SystemProgressive Secondaries For Perfect Off The Line LaunchesSteel Throttle PlatesCalibrated For Gasoline100% Wet Flow Tested By Holley TechniciansArrives Ready To Run