502 sparkplugs | Team Chevelle

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don lemek

· Registered

Joined Nov 17, 2005

·

350 Posts

Discussion Starter · #1 · Sep 24, 2009

I have a 502-502 HP and I want to know what plugs people are using for every day street use. make and # thanks

Slick71ss

· Premium Member

Joined Jan 14, 2006

·

3,100 Posts

#2 · Sep 24, 2009

AC Delco Rapidfire #4 in my zz502.

Step-a-Side

· Registered

Joined Jul 28, 2007

·

166 Posts

#3 · Sep 24, 2009

yes,

Use the Rapidfire 4.

Tom

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