Prowadnice zaworów wydechowych Kelford Cams Nissan RB20DET RB25DET

Exhaust valve guide for Nissan RB20DET and RB25DET. OD: 10.02mm. ID: 5.95mm. Set of 12. \nHigh quality precision machined. Made from our own proprietary Manganese Bronze. All guides need honing after fitment.