These are genuine Malossi 70mm long, screw on style trumpets for Dellorto PHF carbs. These are spun aluminum velocity stacks with screens and they are polished. They screw onto your carbs and look VERY nice. Remember, PHF carbs are 30 - 36mm choke size and PHM are 38 - 41mm choke size. Sold each so please choose your quantity using the drop down menu if you need 2 of them.