The usual 65mm block that we get is from X1R brand which is from Taiwan. I have found this image uploaded by my friend, Palex at this FB page. This is the 65mm custom bore made from Thailand by LHK, which is one of the popular modders there.
You can get this item by browsing to Palex FB here: http://www.facebook.com/pages/MotoMalaya/119841554737974#!/photo.php?fbid=1848116889005&set=a.1472622381877.2064103.1423177447
browse to his online store that is here: http://motor-part4u.blogspot.com/