Hey man I couldn't get tomei throttle coat from anywhere ....apparently tomei don't supply an MSDS (Meterial Safety Data Sheet) when they ship the product outside of japan so a lot of countries won't let it through customs. There are some substitutes available tho.... I used Loctite Moly Dry Film in an aerosole can, sprayed into the lid to make a small puddle and used a 50c paint brush to coat the butterfly's while closed. On tomei's website it said to only coat the butterfly's and around the shafts/bores where they go through the housings but because the Loctite stuff is aerosole its super thin compared to the tomei paste so like I said, I painted mine while shut to get a good layer on the butterfly and bore so it's got a definite seal when closed. I fully cleaned the throttles with a rag and some carby cleaner befor the coating of course and shone a torch up the plenum and could see light around each throttle. Now coated, you can't see any light from anywhere inside the throttles.