[DON C.]

What are the best spark plugs for a c5??

 

[RIGE-RNR]

I like Iridium plugs:thumbsup:

 

[vettex2]

41-110 ac delco

 

[jgillen1]

c-5 spark plugs

i see them on amazon .com for $4.95 ea. and free shipping.

http://www.amazon.com/ACDelco-41-110-Professional-Iridium-Spark/dp/B002I0GYZU

 

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AC ,Autolite, NGK, anything but Champion