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ACCEL Motorcycle U-Groove Spark Plugs
Spark Plugs, U-Groove, Copper, 12mm Thread Size, Harley-Davidson®, Pair
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Estimated Ship Date: Nov 20, 2026 Would you rather pick it up?
Overview
ACCEL Motorcycle U-Groove Spark Plugs
After years of racing and street performance research, ACCEL U-Groove spark plugs are proven to deliver the hottest spark and the highest performance for your motorcycle. Due to their patented U-shaped ground electrode, these spark plugs produce a hotter, double-wide spark to ignite standard and high-compression engines. These ACCEL U-Groove spark plugs feature the purest copper/nickel alloy, producing a broad heat range that is highly foul-resistant and dissipates heat well. They also feature a sintered alumina, heavy-duty, 5- rib insulator that eliminates "flashover" and overheating. You'll ride with increased performance and improved throttle response. Gain the ACCEL advantage and give your wheels more power with ACCEL U-Groove spark plugs.
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