Quote:
Originally Posted by Snakes709
awesome wriite up. Can you tell me if those are 1 step colder plugs and where you got them from? I need plugs for my nitrous set up and im having trouble finding some.
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I got those from GTM. Sam bundled it with the kit for me but you can buy the plugs from them separately. I think HKS is the only company selling colder plugs for VQ37VHRs.