so ive had a knock sensor up for sale on ebay for £30 with £10 postage for international buyers. the item in my opinion was well described: a guy bought it begging me to send out to the USA ASAP of which i did on the same day as payment. i received an ebay 'returns request' of which the guy stated he had ordered the wrong part and wished to return it. ebay informed me that i did not have to accept the return of which i didnt however i gave the guy this option: of which i recived this reply: obviously has not researched the ep82 knock sensor(s) to think this is an