472 hemi spark plugs

Discussion of the 426 Street / Strip HEMIs.

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jcusack
Posts: 2
Joined: Sun Aug 26, 2007 7:25 am
Location: Advance, NC

472 hemi spark plugs

Post by jcusack » Sat Mar 26, 2011 12:50 pm

Anyone have a tip on spark plus. Currently using Denso PW20TT's. I need alittle hotter plug. I'm pushing 650hp.

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