Vodítka výfukových ventilů odstupňovaná pro 8 portovou hlavu

This is for one exhaust colsibro valve guide only, stepped which retains the valve spring collar on 8 port alloy heads manufactured from July 2010.The exhaust guide has not got a taper on port end whereas inlet has for better flow.Contact our York branch for spares.These valve guides can be fitted to earlier 8 port heads but will require specialist machining