Spark Plugs
12 May 2003, 02:11 PM
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Just taken plugs out of MY93 WRX, they are NGK PFR6G???
I've alkways thought the replacement should be PFR6B
Any thoughts on what the last letter means??
Myk
I've alkways thought the replacement should be PFR6B
Any thoughts on what the last letter means??
Myk
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