Thread: Bosch 9652 Double Iridium Spark Plug
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Old 07-09-2018, 07:55 PM
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Padgett
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Default Re: Bosch 9652 Double Iridium Spark Plug
I agree these are street plugs that will last a long time they are good. If you index the plugs so the gaps point at the exhaust valve and change daily, you want somethin different.
 
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