Where can I get reasonable quality FMIC hose clamps fairly cheap? - I have the hose regularly blowing off under high boost - the end thread does need to be redone - but who can I get to do this - cleaning the inside of the oil residue helps for a while

I had seen some previous threads on here but cannot find anymore - I contacted Clampco in the States for a couple of clamps but they want $100 just for the postage/freight which at several times the cost

I was hoping that better clamping might help a little - its a pain when your on the track and have to come in for this!

Thanks