New Custom Velocity Stacks For Triumph, BSA And Norton Motorcycles

  The Factory Metal Works new Amal 900 series velocity stacks.Fits Triumph, BSA, and Norton vintage amal carbs.CNC machined in the USA from 6061 aluminum. Comes in unpolished aluminum. Length- 2.5″   Outer diameter (intake side)- 3″   Inner diameter (carb side)- 2.75″   Phone: 1-888-308-6641 Email: Or visit thei world at: