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View Full Version : Which plugs for stock Hardin Marine 454?


MBlaster
06-17-2006, 06:14 PM
I'd like to change them out...
What do you guys suggest?
SmokinLowriderSS
06-17-2006, 07:38 PM
27 yearsof stock orriginals have been just fine. You can spend plenty more, why?
AC Delco R44T