ACCEL SPARK PLUG 84-99 EVOLUTION 24PACK

"Cyclelite" Platinum U-Groove Spark Plugs
for Harley Davidson 1975- later Shovel & 1984- Later Evolution Big Twin

• 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
• resistor-type plug, one heat range hotter than standard plug.