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12mm Diameter

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Items 1 to 12 of 444 total

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12mm Diameter spark plugs from trusted brands such as Champion, Denso, Bosch and NGK.

To find the right spark plug for your vehicle try our Spark Plug Finder

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About GSP
Green Spark Plug

Green Spark Plug Co. Ltd has now added a dedicated sales and distribution team to handle customers questions and pre-sales enquires, we are experts in our field so if you have a query let us know!

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Cheshire
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