Quick Fuel SS-Series Carburetor Black Diamond 750cfm # BD-750Quick Fuel SS Series Carburetor Black Diamond 750cfm # BD 750 Super Street Series carburetors combine street friendly drivability and track capable performance in a single value oriented package. Setting them apart from ordinary street carbs, they feature billet dual metering blocks and throttle bodies that offer tighter tolerances and eliminate porosity. Not only are Super Street Series carbs available with both vacuum or mechanical secondaries, QFT