DS-242120

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Accel's state-of-the-art, U-Groove spark plugs with ground electrodes, copper glass inner seal and an electric heat seal to prevent leakage in high-compression engines
Knurled chromium-nickel alloy side wire for greater durability and greater spark with reduced voltage
Permit the spark to develop a larger, fuller flash for a more complete burn
Pure copper core decreases fouling
Extra-wide heat range