ive got my mate to look into it hes getting me some made up 4 about 10quid each but apparntly theres too different sorts of em so ive phoned my garage who did the ed gasket to see wot sort mine wa apparntly theres double valve springs n single but my garage cnt remember so gonna take rocker cover off n ave a look so if you need any n if this bloke gets me em il let uknow