Spark Plugs for 454

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**Mr70** · #1 09-18-2018, 07:01 PM

LS-5 or LS-6?
AC makes a great spark plug,just depends on your driving conditions for the car.
Many brands make good comparable plugs too.I run NGK brand.

**olredalert** · #2 09-18-2018, 07:20 PM

----NGK's are good. I also like Autolite. When I raced that's all we used......Bill S

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