I can swap velocity stacks for adapters. If you want to run pod filters instead. Please contact me if interested in different size carburetor or carburetors for a different bike. Huge inventory of carburetors in stock. Several Keihin FCR / FCR-MX carburetor parts in stock.If you don't see it listed please send a message with your request. The item "KEIHIN FCR 35 TPS RACING CARBURETOR / YAMAHA YZF R6 / FLAT SLIDE FLATSLIDES" is in sale since Friday, January 24, 2020. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Air Intake & Fuel Delivery\Carburetors & Parts". The seller is "keihin-fcr" and is located in Royal Oak, Michigan. This item can be shipped worldwide.