Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › D16Y5 valvetrain issue › Reply To: D16Y5 valvetrain issue November 8, 2022 at 2:01 pm #1009708 Daniel MarbleParticipant Just to add, I did find a spare (almost) complete Y5 head, so crisis is averted. Just wondering why these pieces broke.