PFR7G-11S (7772) spark plug for 99 xkr

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10-13-2021, 10:07 AM

dannio636

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PFR7G-11S (7772) spark plug for 99 xkr

Hi Has anyone had experience with this spark plug in their XKR? I have a 1999 XKR and looking for 1 range colder. Booklet says standard plug is NGK PFR6G13E. The NGK PFR7G-11S (7772) looks compatible being one step colder... Has anyone used other plugs one step cold? I'm in the UK.

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Dan

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10-13-2021, 10:35 AM

xalty

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is it the AJ26.5 or AJ27

26 used the pfr6, 27 used pr5 and ifr5 stock

i use bkr6eix

Last edited by xalty; 10-13-2021 at 10:38 AM.

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10-13-2021, 10:57 AM

dannio636

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AJ26S
So, not looking for the std one as I know it is the NGK PFR6G13E as per the handbook. Im looking for a colder spark plug as I have more boost than stock and enlarged throttle body with a couple of other mods.. So a colder spark plug than the stock one

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