OS SPEED edition of the P3 plug with 24k Gold coating. Developed as part of the 80th anniversary celebrations for OS
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\nFeatures:
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Easier to tune
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More low-to-middle range power
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Quicker throttle response
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Faster acceleration
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Better mileage
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Crisper idling, with a difference you can hear
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Increased longevity
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Speed P3 ideal for ultra-hot applications;
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\nThe OS P3 Plug is well suited to a wide vareity of engines, specifically those OS based .21s such as V Spec and Later VZ-B and XZ-B as well as B2101 and B2102.
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