Help on NGK spark plug

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Jan 23, 2007 | 05:39 PM

BOOSTED RIVAL

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Junior Member

Joined: Feb 2006

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From: NOR CAL

Help on NGK spark plug

Is the spark plug part number 2975 ZFR7F-11 step colder then stock. and if it is how much colder. Thanks for your time.

I did a search on it but didn't get what I aspected.

Jan 23, 2007 | 05:42 PM

Blueprint

Honda-Tech Member

Joined: May 2003

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From: 818, Ca, U.S.A

Re: Help on NGK spark plug (BOOSTED RIVAL)

it is 2 steps colder. stock is a 5 and 6 is cold and 7 is colder so its 2 steps

Jan 23, 2007 | 05:44 PM

BOOSTED RIVAL

Thread Starter

Junior Member

Joined: Feb 2006

Posts: 353

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From: NOR CAL

Re: Help on NGK spark plug (Blueprint)

Thank You that what I want to hear

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