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Some extra products you may need for the build are available in the US from McMaster Carr. The Loctite 567 thread sealant that is used in the Home Built help videos is available from McMaster Carr http://www.mcmaster.com/#45855k27/=zkpe8n ; part number 45855K27 and has worked well on my fuel tanks and fuel sender screws. The cork for the fuel tanks is also available from McMaster http://www.mcmaster.com/#93305k63/=zkpqoa ; part number 93305K63. This is exactly the same roll of cork that is in the kit. I needed much more than what was included.