Inquiry (采购产品): Bronze Grade Hi, I would like some help if you have a spare minute, I have been given a set of bronze valve guides to use in one of my cylinder heads, I ask what grade they were and I was told they are grade 6006, I look on the internet for this grade but found nothing at all, have you ever heard of this grade? Hope to hear from you, cheers Mart **** Hidden Message ***** Martin Turner PO15 7HF GBR Company: Martin Turner Engineering E-mail: martin.turner50@ntlworld.com **** Hidden Message ***** martin.turner50@ntlworld.com