Knocklink i have is second hand .Tha afr i am looking at is by plx they do a multi function display gauge wich will show the afr,oil temp and oil pressure .In the process of asking a few suppliers .The apexi , i have been told that they are no longer in bussines but can get one without waranty,this is from GB-Enterprises,have also asked AWD what they have /can get
Kenny