Demon Carburetion 421441 Demon Carburetor Manual Choke Kit Speed Demon Our Part Number: B36421441 Manufacturer's Part Number: 421441 UPC: 792898305014 Demon #421441 Choke Kit, Manual Choke, Speed, Sea, Road, Road Jr. Demon Models, Kit. These manual choke kits from Demon Carburetion are designed for the Speed, Sea, Road, and Road Jr model carburetors and allow you to convert to a hand operated c...