Hello GuysI have Twincam 16v and 20v oem Knock sensors out there, these happen to be tested and therefore are completely Doing the job, will match the following motors, 4afe, 7afe, 4age 16v, 4age 20v silvertop and blacktop,R550 Every single For more information Get hold of Kreesen Available on whatsapp 0733454554Have you passed through the BGBs tro