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U-Groove Spark Plug Header Plug

SKU: A018 0276S-4


ACCEL U-groove performance spark plugs produce a larger spark for more power at high RPMs. Improves throttle response and fuel economy, less fouling. Purified alumina insulator prevents arcing. Machine rolled threads protect heads.


  • Header-Box
  • U-Groove Ground Electrode
  • Five-Rib Aluminum Insulator
  • Copper Core Nickel/Chrome Steel
  • Electric Heat Seal
  • Copper-Glass Gas-Tight Seal
  • Less Flame Dissipation

U-Groove Spark Plug Header Plug | Standard | Shorty Plug For Headers | 4 Pack |