Best plugs for my yukon

[erock198]

I have an 03 Yukon xl denali with a 6.0. I'm getting g p0300 and curious what plugs you guys recommend?

 

[erock198]

.........and there goes a wire. I guess i need yhose too. I work at pep boys so availability is not the problem. Just looking for whats best

 

[ali saleh]

Our vortecs like NGK or Acdelco plugs and wires

 

[Danny3737]

I always stick to what the manf. originally put in. I figure they have already done the research on what works best.

 

[brasil]

AC DELCO for GM cars....

 

[Big808Daddy]

I installed NGK Iridium IX and MSD wires last week as the front passenger one was bad. Been running great so far. Idles nicely at 500 rpm.

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[mattbta]

Holy crap #2 is roached.

 

[Big808Daddy]

Holy crap #2 is roached.

Yup...and it idled and drove like crap.

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[ali saleh]

OEM GM plugs Ac Delco Double Platinum