hello iam in the process of my heads cam swap and realizes i was sent the stock ngk spark plugs.people have said go with a spark plug at least 1 heat range colder. that would be the ngk tr6 right? can i buy these at any auto parts store? thank you

 

NGK TR6...part # 4177 can be bought at Discount auto here in Florida. I assume you are running nitrous.

 

no nitros lloyd did my heads and suggested this he said go 3 stages colder with nitrous