DMR Twin Velocity stack for S&S E, G, and D carbs. These eliminate the "dead zone" of poor intake air distribution caused by traditional velocity stacks. These drastically improve the performance of your carb over old style velocity stacks. On D carbs, when tuned properly, these will eliminate the surging that is common on those carbs with a traditional stack. Available in raw/machine finish.  Proudly made in USA!

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