BBPERFTUNING do them, tensioner and idle, one is £28 and the other £38, am pretty sure, check there website. I am doing this the now, but took my engine out, to make it easier, not especially difficult, but time consuming and fiddely. Can be done with engine in, but i did not fancy it as space to work there isny. Ktec, hillpower and bb have a fixed price for a cambelt, which is still below £200 i think, which is a bargain as its awkward as hell, but hey will be well used to them!