It is good for you with best quality. We can supply you many kinds of valve guides and you may check the attachment for more information. Such as item, product name, specification and so on.We hope you will interested in our products.Zhejiang Quzhou Yongfeng Metal Products Co. , Ltd, Invested By Zhejiang Yongfeng PM Co. , Ltd, Is The Leading PM Enterprise In West Zhejiang Province. Pls contact with us!