Seller notes

Set of 4 Genuine Denso 5303 Iridium Power Hot Type Spark Plug 5303 / IK16 - Iridium Power Hot Type Spark Plug by Denso. Iridium Ultimate Endurance and Power - Performance Upgrade with World's Smallest Center Electrode (0.4mm Iridium and 0.7mm Platinum Twin-Tip Technology) & Tapered Tip Patented U-Groove Design & Patented Ir Alloy (90% Ir). Iridium Power best demonstrates its performance improvement during acceleration. The world's smallest center electrode and specially shaped ground electrode d...

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