I dont think the J C Whitney one will work on the CB650 as the head is completely different design to the 360. (there isnt room to get a 'flat' type compressor in there) Z1 is selling from K&L catalogue, the one shown is a Yamaha copy (and its pretty damn good, I have Yam one) K&L also do a tubular framed version part no. 35-1070 (but they severly overcharge for it, I've seen them advertised for $35.00~40.00) the adaptors are a bit small for CB360, but it will work OK
PJ