Bosch 4428 platinum+4 spark plug


Bosch 4428 platinum+4 premium spark plug. Heat-Fused Platinum Center Electrode Reaches Self-Cleaning Temperature Quickly and Reduces Electrode Wear. Tapered, Yttrium-Enhanced Ground Electrodes Extend Service Life and Improve Access to Air/Fuel Mixture. Nickel-Plated Rolled Threads Provide Anti-Seize and Corrosion Protection. We deliver to you free! Place your order.

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SKU: SK8745094 Category: Tag:

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