This cast alloy and machined American made manifold was a design of Jerry Branch and he contracted Sudco to make them many moons ago. Arlen Ness used twin carb systems on many of his bike builds years ago. The item "Harley Davidson Twin Carb Manifold (Chopper, Bobber, Brat, Rat, Vintage)" is in sale since Friday, June 25, 2021. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Air Intake & Fuel Delivery\Carburetors & Parts".The seller is "cyclex" and is located in Hazelhurst, Wisconsin. This item can be shipped worldwide.