theczechone Posted July 4, 2017 Share Posted July 4, 2017 Guys need to cut a new hole in my firewall because I replaced the sheetmatel around it. Would like to use stock grommets so I want to go back with the same size. The car is a 10/71 240z. If someone could measure it for me I would greatly appreciate it. It's the main harness pass through between the interior and engine bay, that goes right above the passenger side frame rail. Quote Link to comment Share on other sites More sharing options...
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